Finnair flight AY 3664: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 09:30 New York John F. Kennedy (JFK) 8 13:05 Phoenix Sky Harbor (PHX) 4
AY 3664 Non-stop Boeing 737-800 (738) 5:35 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2205)
Mon,Wed 11:22 Saint Louis (STL) 1 15:13 Miami (MIA)
AY 3664 Non-stop Boeing 737-800 (738) 2:51 Effective 2026-03-09 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 1622)
Wed 11:44 Kansas City (MCI) 15:55 Miami (MIA)
AY 3664 Non-stop Airbus A319 (319) 3:11 Operates only on 2026-01-07
Codeshare flight, operated by American Airlines.(AA 2580)
Wed 11:44 Kansas City (MCI) 15:55 Miami (MIA)
AY 3664 Non-stop Airbus A319 (319) 3:11 Effective 2026-01-21 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2580)
Sat 13:44 Greenville/Spartanburg (GSP) 15:45 Miami (MIA)
AY 3664 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:01 Valid until 2026-01-03
Codeshare flight, operated by American Airlines.(AA 4072)
Daily 19:30 Chicago O'Hare (ORD) 3 21:47 Dayton (DAY)
AY 3664 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2026-08-05 through 2026-08-14
Codeshare flight, operated by American Airlines.(AA 5127)
Tue-Fri,Sun 19:30 Chicago O'Hare (ORD) 3 21:47 Dayton (DAY)
AY 3664 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2026-08-16 through 2026-09-04
Codeshare flight, operated by American Airlines.(AA 5127)
Tue,Sat,Sun 19:30 Chicago O'Hare (ORD) 3 21:47 Dayton (DAY)
AY 3664 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2026-09-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 5127)
Sat 19:45 Miami (MIA) 21:59 Fayetteville/Springdale (XNA)
AY 3664 Non-stop Embraer EMB 175 (E75) 3:14 Operates only on 2026-04-11
Codeshare flight, operated by American Airlines.(AA 4049)
Sat 20:20 Miami (MIA) 23:16 Wichita (ICT)
AY 3664 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:56 Effective 2026-01-10 through 2026-02-07
Codeshare flight, operated by American Airlines.(AA 4069)
Daily 20:20 Chicago O'Hare (ORD) 3 22:47 Dayton (DAY)
AY 3664 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 5122)
Daily 20:20 Chicago O'Hare (ORD) 3 22:49 Dayton (DAY)
AY 3664 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 5122)
Tue-Sun 20:20 Chicago O'Hare (ORD) 3 22:11 Nashville (BNA)
AY 3664 Non-stop Canadair CRJ 700 (CR7) 1:51 Effective 2026-09-09 through 2026-09-27
Codeshare flight, operated by American Airlines.(AA 4920)
Daily 20:20 Chicago O'Hare (ORD) 3 22:11 Nashville (BNA)
AY 3664 Non-stop Canadair CRJ 700 (CR7) 1:51 Effective 2026-09-28 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 4920)
Sat 20:30 Miami (MIA) 23:26 Wichita (ICT)
AY 3664 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:56 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 4069)
Sat 20:45 Miami (MIA) 23:11 Fayetteville/Springdale (XNA)
AY 3664 Non-stop Embraer EMB 175 (E75) 3:26 Operates only on 2026-03-28
Codeshare flight, operated by American Airlines.(AA 3954)
Daily 22:00 Chicago O'Hare (ORD) 3 00:23 Dayton (DAY)
AY 3664 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2026-10-05 through 2026-10-24
Codeshare flight, operated by American Airlines.(AA 4227)
The flight arrives 1 day after departure.
Tue,Fri 22:00 Chicago O'Hare (ORD) 3 00:23 Dayton (DAY)
AY 3664 Non-stop Embraer EMB 175 (E75) 1:23 Effective from 2026-10-27
Codeshare flight, operated by American Airlines.(AA 4227)
The flight arrives 1 day after departure.
Wed 22:30 Miami (MIA) 23:36 Birmingham (BHM)
AY 3664 Non-stop Embraer EMB 175 (E75) 2:06 Operates only on 2026-04-08
Codeshare flight, operated by American Airlines.(AA 3631)
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This flight number is listed as serving the following routes:


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Finnair flight AY 3664: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY3664
09:30
New York John F. Kennedy (JFK) 8

13:05
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2205)
Duration: 5:35, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY3664
11:22
Saint Louis (STL) 1

15:13
Miami (MIA)
Effective 2026-03-09 through 2026-04-06
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1622)
Duration: 2:51, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY3664
11:44
Kansas City (MCI)

15:55
Miami (MIA)
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2580)
Duration: 3:11, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY3664
11:44
Kansas City (MCI)

15:55
Miami (MIA)
Effective 2026-01-21 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2580)
Duration: 3:11, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY3664
13:44
Greenville/Spartanburg (GSP)

15:45
Miami (MIA)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4072)
Duration: 2:01, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3664
19:30
Chicago O'Hare (ORD) 3

21:47
Dayton (DAY)
Effective 2026-08-05 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5127)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Finnair AY3664
19:30
Chicago O'Hare (ORD) 3

21:47
Dayton (DAY)
Effective 2026-08-16 through 2026-09-04
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5127)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Finnair AY3664
19:30
Chicago O'Hare (ORD) 3

21:47
Dayton (DAY)
Effective 2026-09-05 through 2026-09-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5127)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Finnair AY3664
19:45
Miami (MIA)

21:59
Fayetteville/Springdale (XNA)
Operates only on 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4049)
Duration: 3:14, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY3664
20:20
Miami (MIA)

23:16
Wichita (ICT)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4069)
Duration: 3:56, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3664
20:20
Chicago O'Hare (ORD) 3

22:47
Dayton (DAY)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5122)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Finnair AY3664
20:20
Chicago O'Hare (ORD) 3

22:49
Dayton (DAY)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5122)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Finnair AY3664
20:20
Chicago O'Hare (ORD) 3

22:11
Nashville (BNA)
Effective 2026-09-09 through 2026-09-27
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4920)
Duration: 1:51, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Finnair AY3664
20:20
Chicago O'Hare (ORD) 3

22:11
Nashville (BNA)
Effective 2026-09-28 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4920)
Duration: 1:51, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Finnair AY3664
20:30
Miami (MIA)

23:26
Wichita (ICT)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4069)
Duration: 3:56, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3664
20:45
Miami (MIA)

23:11
Fayetteville/Springdale (XNA)
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3954)
Duration: 3:26, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY3664
22:00
Chicago O'Hare (ORD) 3

00:23(+1)
Dayton (DAY)
Effective 2026-10-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4227)
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY3664
22:00
Chicago O'Hare (ORD) 3

00:23(+1)
Dayton (DAY)
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4227)
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY3664
22:30
Miami (MIA)

23:36
Birmingham (BHM)
Operates only on 2026-04-08
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3631)
Duration: 2:06, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Dayton (DAY)
  • Chicago O'Hare (ORD) - Nashville (BNA)
  • Greenville/Spartanburg (GSP) - Miami (MIA)
  • Kansas City (MCI) - Miami (MIA)
  • Miami (MIA) - Birmingham (BHM)
  • Miami (MIA) - Fayetteville/Springdale (XNA)
  • Miami (MIA) - Wichita (ICT)
  • New York John F. Kennedy (JFK) - Phoenix Sky Harbor (PHX)
  • Saint Louis (STL) - Miami (MIA)
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