Finnair
flight
AY 4103:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2878)
Duration: 3:46, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-08-05 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2537)
Duration: 3:37, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-08-16 through 2026-09-04
Mon
-
-
Tue
Wed
Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 2537)
Duration: 3:37, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-09-05 through 2026-09-08
Mon
-
-
Tue
Wed
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Thu
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-
Fri
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-
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2537)
Duration: 3:37, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2867)
Duration: 3:35, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-09-09 through 2026-09-27
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2537)
Duration: 3:30, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-09-28 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2537)
Duration: 3:30, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-04-08 through 2026-04-30
Mon
Tue
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-
Wed
Thu
Fri
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-
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3066)
Duration: 3:29, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-05-01 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3066)
Duration: 3:29, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-03-29 through 2026-04-06
Mon
Tue
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Wed
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Thu
Fri
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Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 3128)
Duration: 3:29, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4103
Operates only on 2026-04-01
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 3128)
Duration: 3:29, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY4103
Operates only on 2026-04-04
Mon
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-
Tue
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Wed
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Thu
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Fri
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-
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 3128)
Duration: 3:31, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-03-08 through 2026-03-11
Mon
Tue
Wed
Thu
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-
Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 649)
Duration: 2:18, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-01-06 through 2026-01-20
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 2384)
Duration: 2:28, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-01-22 through 2026-02-02
Mon
Tue
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-
Wed
Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 2384)
Duration: 2:28, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-02-03 through 2026-02-10
Mon
Tue
Wed
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-
Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 2384)
Duration: 2:28, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY4103
Operates only on 2026-02-11
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2384)
Duration: 2:28, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-02-12 through 2026-03-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2532)
Duration: 2:21, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-03-05 through 2026-03-07
Mon
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-
Tue
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Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2532)
Duration: 2:21, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Finnair AY4103
Effective from 2026-10-24
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 5474)
Duration: 2:09, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Finnair AY4103
Effective 2026-10-05 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2537)
Duration: 3:34, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4103
Effective from 2026-10-27
Mon
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Tue
Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2537)
Duration: 3:34, non-stop Boeing 737-800 (738)
This flight number is listed as serving the following routes:
- Cedar Rapids (CID) - Dallas Fort Worth (DFW)
- Tucson (TUS) - Chicago O'Hare (ORD)