Finnair flight AY 4140: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 12:09 Greenville/Spartanburg (GSP) 13:45 Dallas Fort Worth (DFW)
AY 4140 Non-stop Canadair CRJ 900 (CR9) 2:36 Effective 2026-08-05 through 2026-08-30
Codeshare flight, operated by American Airlines.(AA 5539)
Tue-Sun 12:09 Greenville/Spartanburg (GSP) 13:45 Dallas Fort Worth (DFW)
AY 4140 Non-stop Canadair CRJ 900 (CR9) 2:36 Effective 2026-09-01 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 5539)
Daily 13:19 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
AY 4140 Non-stop Boeing 737-800 (738) 4:26 Effective 2026-10-05 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 2358)
Tue,Fri 13:19 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
AY 4140 Non-stop Boeing 737-800 (738) 4:26 Effective from 2026-10-27
Codeshare flight, operated by American Airlines.(AA 2358)
Mon 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
AY 4140 Non-stop Airbus A321 (321) 4:24 Operates only on 2026-06-08
Codeshare flight, operated by American Airlines.(AA 2550)
Tue-Sun 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
AY 4140 Non-stop Airbus A321 (321) 4:24 Effective 2026-09-09 through 2026-09-27
Codeshare flight, operated by American Airlines.(AA 1826)
Daily 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
AY 4140 Non-stop Airbus A321 (321) 4:24 Effective 2026-09-28 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 1826)
Mon,Wed,Thu,Sat,Sun 20:25 Chicago O'Hare (ORD) 3 22:19 Denver (DEN)
AY 4140 Non-stop Boeing 737-800 (738) 2:54 Effective 2026-04-08 through 2026-04-30
Codeshare flight, operated by American Airlines.(AA 1387)
Daily 20:25 Chicago O'Hare (ORD) 3 22:19 Denver (DEN)
AY 4140 Non-stop Boeing 737-800 (738) 2:54 Effective 2026-05-01 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 1387)
Daily 20:25 Chicago O'Hare (ORD) 3 22:27 Denver (DEN)
AY 4140 Non-stop Airbus A319 (319) 3:02 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 1387)
Mon,Wed,Thu,Sun 20:45 Chicago O'Hare (ORD) 3 22:41 Denver (DEN)
AY 4140 Non-stop Boeing 737-800 (738) 2:56 Effective 2026-03-29 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 1387)
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This flight number is listed as serving the following routes:


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Finnair flight AY 4140: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4140
12:09
Greenville/Spartanburg (GSP)

13:45
Dallas Fort Worth (DFW)
Effective 2026-08-05 through 2026-08-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5539)
Duration: 2:36, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Finnair AY4140
12:09
Greenville/Spartanburg (GSP)

13:45
Dallas Fort Worth (DFW)
Effective 2026-09-01 through 2026-09-08
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5539)
Duration: 2:36, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Finnair AY4140
13:19
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-10-05 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2358)
Duration: 4:26, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4140
13:19
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2358)
Duration: 4:26, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4140
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Operates only on 2026-06-08
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2550)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4140
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-09-09 through 2026-09-27
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1826)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4140
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-09-28 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1826)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4140
20:25
Chicago O'Hare (ORD) 3

22:19
Denver (DEN)
Effective 2026-04-08 through 2026-04-30
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1387)
Duration: 2:54, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4140
20:25
Chicago O'Hare (ORD) 3

22:19
Denver (DEN)
Effective 2026-05-01 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1387)
Duration: 2:54, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4140
20:25
Chicago O'Hare (ORD) 3

22:27
Denver (DEN)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1387)
Duration: 3:02, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY4140
20:45
Chicago O'Hare (ORD) 3

22:41
Denver (DEN)
Effective 2026-03-29 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1387)
Duration: 2:56, non-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Denver (DEN)
  • Greenville/Spartanburg (GSP) - Dallas Fort Worth (DFW)
  • San Francisco (SFO) - Chicago O'Hare (ORD)
All Finnair flights
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