Finnair flight AY 4023: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 16:17 Kansas City (MCI) 18:00 Chicago O'Hare (ORD) 3
AY 4023 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-10-05 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 3464)
Tue,Fri 16:17 Kansas City (MCI) 18:00 Chicago O'Hare (ORD) 3
AY 4023 Non-stop Embraer EMB 175 (E75) 1:43 Effective from 2026-10-27
Codeshare flight, operated by American Airlines.(AA 3464)
Mon,Wed-Fri 16:25 Kansas City (MCI) 18:00 Chicago O'Hare (ORD) 3
AY 4023 Non-stop Canadair CRJ 700 (CR7) 1:35 Effective 2026-05-21 through 2026-06-05
Codeshare flight, operated by American Airlines.(AA 6249)
Tue,Sat,Sun 20:25 Chicago O'Hare (ORD) 3 23:07 Portland (PDX)
AY 4023 Non-stop Airbus A321 (321) 4:42 Effective 2026-05-23 through 2026-06-07
Codeshare flight, operated by American Airlines.(AA 1317)
Daily 20:25 Chicago O'Hare (ORD) 3 23:07 Portland (PDX)
AY 4023 Non-stop Airbus A321 (321) 4:42 Effective 2026-06-08 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 1317)
Mon,Wed,Thu,Sat,Sun 20:50 Chicago O'Hare (ORD) 3 23:30 Dallas Fort Worth (DFW)
AY 4023 Non-stop Boeing 737-800 (738) 2:40 Effective 2026-03-29 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3297)
Mon,Wed,Thu,Sat,Sun 21:00 Chicago O'Hare (ORD) 3 23:37 Portland (PDX)
AY 4023 Non-stop Airbus A321 (321) 4:37 Effective 2026-04-08 through 2026-04-30
Codeshare flight, operated by American Airlines.(AA 2171)
Daily 21:00 Chicago O'Hare (ORD) 3 23:37 Portland (PDX)
AY 4023 Non-stop Airbus A321 (321) 4:37 Effective 2026-05-01 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 2171)
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This flight number is listed as serving the following routes:


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Finnair flight AY 4023: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4023
16:17
Kansas City (MCI)

18:00
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 3464)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4023
16:17
Kansas City (MCI)

18:00
Chicago O'Hare (ORD) 3
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3464)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4023
16:25
Kansas City (MCI)

18:00
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-06-05
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6249)
Duration: 1:35, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Finnair AY4023
20:25
Chicago O'Hare (ORD) 3

23:07
Portland (PDX)
Effective 2026-05-23 through 2026-06-07
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1317)
Duration: 4:42, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4023
20:25
Chicago O'Hare (ORD) 3

23:07
Portland (PDX)
Effective 2026-06-08 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1317)
Duration: 4:42, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4023
20:50
Chicago O'Hare (ORD) 3

23:30
Dallas Fort Worth (DFW)
Effective 2026-03-29 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3297)
Duration: 2:40, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4023
21:00
Chicago O'Hare (ORD) 3

23:37
Portland (PDX)
Effective 2026-04-08 through 2026-04-30
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2171)
Duration: 4:37, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4023
21:00
Chicago O'Hare (ORD) 3

23:37
Portland (PDX)
Effective 2026-05-01 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2171)
Duration: 4:37, non-stop
Airbus A321 (321)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Dallas Fort Worth (DFW)
  • Chicago O'Hare (ORD) - Portland (PDX)
  • Kansas City (MCI) - Chicago O'Hare (ORD)
All Finnair flights
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