Finnair
flug
AY 3666:
Multiple routes
FLUGPLAN
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-01-06 through 2026-01-28
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Codeshare flight, operated by American Airlines.
(AA 636)
Duration: 4:40, non-stop Boeing 737 MAX 8 (7M8)
Direkte Codeshareflüge:
Finnair AY3666
Operates only on 2026-01-31
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Codeshare flight, operated by American Airlines.
(AA 636)
Duration: 4:40, non-stop Boeing 737 MAX 8 (7M8)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-02-14 through 2026-03-07
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Codeshare flight, operated by American Airlines.
(AA 1163)
Duration: 4:35, non-stop Boeing 737-800 (738)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-01-29 through 2026-02-11
Mo
Di
Mi
Do
Fr
Sa
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Codeshare flight, operated by American Airlines.
(AA 636)
Duration: 4:40, non-stop Boeing 737 MAX 8 (7M8)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-02-12 through 2026-03-06
Mo
Di
Mi
Do
Fr
Sa
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So
Codeshare flight, operated by American Airlines.
(AA 636)
Duration: 4:39, non-stop Boeing 737 MAX 8 (7M8)
Direkte Codeshareflüge:
Finnair AY3666
Operates only on 2026-02-07
Mo
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Mi
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Do
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Sa
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Codeshare flight, operated by American Airlines.
(AA 636)
Duration: 4:40, non-stop Boeing 737 MAX 8 (7M8)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-04-07 through 2026-05-20
Mo
Di
Mi
Do
Fr
Sa
So
Codeshare flight, operated by American Airlines.
(AA 556)
Duration: 5:07, non-stop Airbus A321neo (32Q)
Direkte Codeshareflüge:
Finnair AY3666
Valid until 2026-01-05
Mo
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Codeshare flight, operated by American Airlines.
(AA 696)
Duration: 2:48, non-stop Boeing 737-800 (738)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-05-21 through 2026-07-01
Mo
Di
Mi
Do
Fr
Sa
So
Codeshare flight, operated by American Airlines.
(AA 4603)
Duration: 1:39, non-stop Embraer EMB 175 (E75)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-07-02 through 2026-08-04
Mo
Di
Mi
Do
Fr
Sa
So
Codeshare flight, operated by American Airlines.
(AA 4603)
Duration: 1:43, non-stop Embraer EMB 175 (E75)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-08-05 through 2026-08-14
Mo
Di
Mi
Do
Fr
Sa
So
Codeshare flight, operated by American Airlines.
(AA 4603)
Duration: 1:41, non-stop Embraer EMB 175 (E75)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-08-16 through 2026-09-04
Mo
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Mi
Do
Fr
Sa
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So
Codeshare flight, operated by American Airlines.
(AA 4603)
Duration: 1:41, non-stop Embraer EMB 175 (E75)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-09-05 through 2026-09-08
Mo
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Di
Mi
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Do
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Fr
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Sa
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Codeshare flight, operated by American Airlines.
(AA 4603)
Duration: 1:41, non-stop Embraer EMB 175 (E75)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-09-09 through 2026-09-27
Mo
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Mi
Do
Fr
Sa
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Codeshare flight, operated by American Airlines.
(AA 4603)
Duration: 1:38, non-stop Embraer EMB 175 (E75)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-09-28 through 2026-10-04
Mo
Di
Mi
Do
Fr
Sa
So
Codeshare flight, operated by American Airlines.
(AA 4603)
Duration: 1:38, non-stop Embraer EMB 175 (E75)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-10-05 through 2026-10-24
Mo
Di
Mi
Do
Fr
Sa
So
Codeshare flight, operated by American Airlines.
(AA 4603)
Duration: 1:35, non-stop Embraer EMB 175 (E75)
Direkte Codeshareflüge:
Finnair AY3666
Effective from 2026-10-27
Mo
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Di
Mi
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Do
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Fr
Sa
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So
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Codeshare flight, operated by American Airlines.
(AA 4603)
Duration: 1:35, non-stop Embraer EMB 175 (E75)
Direkte Codeshareflüge:
Finnair AY3666
Effective 2026-03-30 through 2026-04-06
Mo
Di
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Do
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Fr
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Codeshare flight, operated by American Airlines.
(AA 1173)
Duration: 2:38, non-stop Boeing 737-800 (738)
Direkte Codeshareflüge:
Finnair AY3666
Operates only on 2026-03-28
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Codeshare flight, operated by American Airlines.
(AA 2766)
Duration: 2:32, non-stop Boeing 737-800 (738)
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Louisville (SDF)
- Houston George Bush (IAH) - Miami (MIA)
- Las Vegas Harry Reid (LAS) - New York John F. Kennedy (JFK)
- Miami (MIA) - Nashville (BNA)
- Phoenix Sky Harbor (PHX) - New York John F. Kennedy (JFK)