Finnair flight AY 4259: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed 13:29 Seattle-Tacoma (SEA) 19:44 Chicago O'Hare (ORD) 3
AY 4259 Non-stop Boeing 737-800 (738) 4:15 Operates only on 2025-08-27
Codeshare flight, operated by American Airlines.(AA 1525)
Mon,Thu 15:10 Luis Munoz Marin, San Juan (SJU) C 19:30 Dallas Fort Worth (DFW)
AY 4259 Non-stop Boeing 737-800 (738) 5:20 Effective 2025-08-07 through 2025-08-21
Codeshare flight, operated by American Airlines.(AA 3159)
Fri 15:10 London Heathrow (LHR) 3 19:20 Dallas Fort Worth (DFW) D
AY 4259 Non-stop Boeing 777-200 (772) 10:10 Effective 2025-08-08 through 2025-08-15
Codeshare flight, operated by American Airlines.(AA 153)
Wed 15:15 Nashville (BNA) 17:09 Chicago O'Hare (ORD) 3
AY 4259 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:54 Operates only on 2025-07-23
Codeshare flight, operated by American Airlines.(AA 3908)
Wed 16:56 Chicago O'Hare (ORD) 3 20:20 New York John F. Kennedy (JFK) 8
AY 4259 Non-stop Airbus A319 (319) 2:24 Operates only on 2025-07-09
Codeshare flight, operated by American Airlines.(AA 1421)
Wed 17:45 Miami (MIA) 20:00 Dallas Fort Worth (DFW)
AY 4259 Non-stop Airbus A321 (321) 3:15 Effective 2025-08-06 through 2025-08-20
Codeshare flight, operated by American Airlines.(AA 2828)
Mon,Thu 18:15 Memphis (MEM) 20:00 Dallas Fort Worth (DFW)
AY 4259 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2025-07-31 through 2025-08-04
Codeshare flight, operated by American Airlines.(AA 3947)
Daily 18:30 Dallas Fort Worth (DFW) 22:00 Grand Rapids (GRR)
AY 4259 Non-stop Boeing 737-800 (738) 2:30 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 571)
Daily 18:30 Dallas Fort Worth (DFW) 21:54 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:24 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 571)
Mon-Wed,Fri-Sun 18:30 Dallas Fort Worth (DFW) 21:56 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:26 Effective 2025-11-02 through 2025-11-10
Codeshare flight, operated by American Airlines.(AA 310)
Daily 18:30 Dallas Fort Worth (DFW) 21:56 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:26 Effective 2025-11-12 through 2025-11-19
Codeshare flight, operated by American Airlines.(AA 310)
Mon,Wed-Sun 18:30 Dallas Fort Worth (DFW) 21:56 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:26 Effective 2025-11-21 through 2025-11-27
Codeshare flight, operated by American Airlines.(AA 310)
Mon,Tue,Sat,Sun 18:30 Dallas Fort Worth (DFW) 21:56 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:26 Effective 2025-11-29 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 310)
Daily 18:30 Dallas Fort Worth (DFW) 21:54 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:24 Effective 2025-12-03 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 571)
Daily 18:30 Dallas Fort Worth (DFW) 21:59 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:29 Effective 2026-01-06 through 2026-01-20
Codeshare flight, operated by American Airlines.(AA 310)
Mon,Wed-Sun 18:30 Dallas Fort Worth (DFW) 21:59 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:29 Effective 2026-01-22 through 2026-02-02
Codeshare flight, operated by American Airlines.(AA 310)
Mon,Tue,Thu-Sun 18:30 Dallas Fort Worth (DFW) 21:59 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:29 Effective 2026-02-03 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 310)
Wed 18:30 Dallas Fort Worth (DFW) 21:59 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:29 Operates only on 2026-02-11
Codeshare flight, operated by American Airlines.(AA 310)
Daily 18:30 Dallas Fort Worth (DFW) 21:58 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:28 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 310)
Daily 18:40 Dallas Fort Worth (DFW) 22:01 Grand Rapids (GRR)
AY 4259 Non-stop Airbus A319 (319) 2:21 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 571)
Daily 18:44 Dallas Fort Worth (DFW) 22:09 Grand Rapids (GRR)
AY 4259 Non-stop Boeing 737-800 (738) 2:25 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 571)
Daily 20:43 Dallas Fort Worth (DFW) 00:09 Grand Rapids (GRR)
AY 4259 Non-stop Boeing 737-800 (738) 2:26 Effective 2025-06-05 through 2025-06-23
Codeshare flight, operated by American Airlines.(AA 1459)
The flight arrives 1 day after departure.
Mon,Wed-Sun 20:43 Dallas Fort Worth (DFW) 00:09 Grand Rapids (GRR)
AY 4259 Non-stop Boeing 737-800 (738) 2:26 Effective 2025-06-25 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 1459)
The flight arrives 1 day after departure.
Fri 21:25 Dallas Fort Worth (DFW) 22:27 San Diego (SAN) 2
AY 4259 Non-stop Airbus A321 (321) 3:02 Operates only on 2025-08-01
Codeshare flight, operated by American Airlines.(AA 1011)
Mon,Thu 22:30 Dallas Fort Worth (DFW) 00:24 Nashville (BNA)
AY 4259 Non-stop Boeing 737-800 (738) 1:54 Effective 2025-08-25 through 2025-08-28
Codeshare flight, operated by American Airlines.(AA 2979)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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Finnair flight AY 4259: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4259
13:29
Seattle-Tacoma (SEA)

19:44
Chicago O'Hare (ORD) 3
Operates only on 2025-08-27
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1525)
Duration: 4:15, non-stop
Boeing 737-800 (738)
Finnair AY4259
15:10
Luis Munoz Marin, San Juan (SJU) C

19:30
Dallas Fort Worth (DFW)
Effective 2025-08-07 through 2025-08-21
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3159)
Duration: 5:20, non-stop
Boeing 737-800 (738)
Finnair AY4259
15:10
London Heathrow (LHR) 3

19:20
Dallas Fort Worth (DFW) D
Effective 2025-08-08 through 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 153)
Duration: 10:10, non-stop
Boeing 777-200 (772)
Finnair AY4259
15:15
Nashville (BNA)

17:09
Chicago O'Hare (ORD) 3
Operates only on 2025-07-23
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3908)
Duration: 1:54, non-stop
Embraer EMB 170 / EMB 175 (E70)
Finnair AY4259
16:56
Chicago O'Hare (ORD) 3

20:20
New York John F. Kennedy (JFK) 8
Operates only on 2025-07-09
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1421)
Duration: 2:24, non-stop
Airbus A319 (319)
Finnair AY4259
17:45
Miami (MIA)

20:00
Dallas Fort Worth (DFW)
Effective 2025-08-06 through 2025-08-20
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2828)
Duration: 3:15, non-stop
Airbus A321 (321)
Finnair AY4259
18:15
Memphis (MEM)

20:00
Dallas Fort Worth (DFW)
Effective 2025-07-31 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3947)
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

22:00
Grand Rapids (GRR)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 571)
Duration: 2:30, non-stop
Boeing 737-800 (738)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:54
Grand Rapids (GRR)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 571)
Duration: 2:24, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:56
Grand Rapids (GRR)
Effective 2025-11-02 through 2025-11-10
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 310)
Duration: 2:26, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:56
Grand Rapids (GRR)
Effective 2025-11-12 through 2025-11-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 310)
Duration: 2:26, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:56
Grand Rapids (GRR)
Effective 2025-11-21 through 2025-11-27
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 310)
Duration: 2:26, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:56
Grand Rapids (GRR)
Effective 2025-11-29 through 2025-12-02
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 310)
Duration: 2:26, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:54
Grand Rapids (GRR)
Effective 2025-12-03 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 571)
Duration: 2:24, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:59
Grand Rapids (GRR)
Effective 2026-01-06 through 2026-01-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 310)
Duration: 2:29, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:59
Grand Rapids (GRR)
Effective 2026-01-22 through 2026-02-02
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 310)
Duration: 2:29, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:59
Grand Rapids (GRR)
Effective 2026-02-03 through 2026-02-10
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 310)
Duration: 2:29, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:59
Grand Rapids (GRR)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 310)
Duration: 2:29, non-stop
Airbus A319 (319)
Finnair AY4259
18:30
Dallas Fort Worth (DFW)

21:58
Grand Rapids (GRR)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 310)
Duration: 2:28, non-stop
Airbus A319 (319)
Finnair AY4259
18:40
Dallas Fort Worth (DFW)

22:01
Grand Rapids (GRR)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 571)
Duration: 2:21, non-stop
Airbus A319 (319)
Finnair AY4259
18:44
Dallas Fort Worth (DFW)

22:09
Grand Rapids (GRR)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 571)
Duration: 2:25, non-stop
Boeing 737-800 (738)
Finnair AY4259
20:43
Dallas Fort Worth (DFW)

00:09(+1)
Grand Rapids (GRR)
Effective 2025-06-05 through 2025-06-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1459)
Duration: 2:26, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Finnair AY4259
20:43
Dallas Fort Worth (DFW)

00:09(+1)
Grand Rapids (GRR)
Effective 2025-06-25 through 2025-07-03
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1459)
Duration: 2:26, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Finnair AY4259
21:25
Dallas Fort Worth (DFW)

22:27
San Diego (SAN) 2
Operates only on 2025-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1011)
Duration: 3:02, non-stop
Airbus A321 (321)
Finnair AY4259
22:30
Dallas Fort Worth (DFW)

00:24(+1)
Nashville (BNA)
Effective 2025-08-25 through 2025-08-28
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2979)
Duration: 1:54, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - New York John F. Kennedy (JFK)
  • Dallas Fort Worth (DFW) - Grand Rapids (GRR)
  • Dallas Fort Worth (DFW) - Nashville (BNA)
  • Dallas Fort Worth (DFW) - San Diego (SAN)
  • London Heathrow (LHR) - Dallas Fort Worth (DFW)
  • Luis Munoz Marin, San Juan (SJU) - Dallas Fort Worth (DFW)
  • Memphis (MEM) - Dallas Fort Worth (DFW)
  • Miami (MIA) - Dallas Fort Worth (DFW)
  • Nashville (BNA) - Chicago O'Hare (ORD)
  • Seattle-Tacoma (SEA) - Chicago O'Hare (ORD)
All Finnair flights
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