Finnair flight AY 4158: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Wed,Fri-Sun 16:42 Dallas Fort Worth (DFW) 18:13 Tucson (TUS)
AY 4158 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-01-06 through 2026-01-14
Codeshare flight, operated by American Airlines.(AA 766)
Mon,Tue,Thu-Sun 16:42 Dallas Fort Worth (DFW) 18:13 Tucson (TUS)
AY 4158 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-01-15 through 2026-01-26
Codeshare flight, operated by American Airlines.(AA 766)
Daily 16:42 Dallas Fort Worth (DFW) 18:13 Tucson (TUS)
AY 4158 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-01-28 through 2026-02-03
Codeshare flight, operated by American Airlines.(AA 766)
Mon,Tue,Thu-Sun 16:42 Dallas Fort Worth (DFW) 18:13 Tucson (TUS)
AY 4158 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-02-05 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 766)
Wed 16:42 Dallas Fort Worth (DFW) 18:14 Tucson (TUS)
AY 4158 Non-stop Boeing 737 MAX 8 (7M8) 2:32 Operates only on 2026-02-11
Codeshare flight, operated by American Airlines.(AA 766)
Wed-Sat 20:25 Chicago O'Hare (ORD) 3 22:50 Portland (PDX)
AY 4158 Non-stop Boeing 737-800 (738) 4:25 Effective 2026-09-09 through 2026-09-26
Codeshare flight, operated by American Airlines.(AA 2977)
Daily 20:25 Chicago O'Hare (ORD) 3 22:59 Portland (PDX)
AY 4158 Non-stop Boeing 737-800 (738) 4:34 Effective 2026-10-05 through 2026-10-24
Codeshare flight, operated by American Airlines.(AA 3028)
Tue,Fri 20:25 Chicago O'Hare (ORD) 3 22:59 Portland (PDX)
AY 4158 Non-stop Boeing 737-800 (738) 4:34 Effective from 2026-10-27
Codeshare flight, operated by American Airlines.(AA 3028)
Wed-Sat 20:45 Chicago O'Hare (ORD) 3 23:22 Portland (PDX)
AY 4158 Non-stop Boeing 737-800 (738) 4:37 Effective 2026-08-05 through 2026-08-08
Codeshare flight, operated by American Airlines.(AA 2977)
Wed-Fri 20:45 Chicago O'Hare (ORD) 3 23:22 Portland (PDX)
AY 4158 Non-stop Boeing 737-800 (738) 4:37 Effective 2026-08-19 through 2026-09-04
Codeshare flight, operated by American Airlines.(AA 2977)
Sat 20:45 Chicago O'Hare (ORD) 3 23:22 Portland (PDX)
AY 4158 Non-stop Boeing 737-800 (738) 4:37 Operates only on 2026-09-05
Codeshare flight, operated by American Airlines.(AA 2977)
This flight number is listed as serving the following routes:


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Finnair flight AY 4158: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4158
16:42
Dallas Fort Worth (DFW)

18:13
Tucson (TUS)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 766)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4158
16:42
Dallas Fort Worth (DFW)

18:13
Tucson (TUS)
Effective 2026-01-15 through 2026-01-26
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 766)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4158
16:42
Dallas Fort Worth (DFW)

18:13
Tucson (TUS)
Effective 2026-01-28 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 766)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4158
16:42
Dallas Fort Worth (DFW)

18:13
Tucson (TUS)
Effective 2026-02-05 through 2026-02-10
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 766)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4158
16:42
Dallas Fort Worth (DFW)

18:14
Tucson (TUS)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 766)
Duration: 2:32, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4158
20:25
Chicago O'Hare (ORD) 3

22:50
Portland (PDX)
Effective 2026-09-09 through 2026-09-26
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2977)
Duration: 4:25, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4158
20:25
Chicago O'Hare (ORD) 3

22:59
Portland (PDX)
Effective 2026-10-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3028)
Duration: 4:34, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4158
20:25
Chicago O'Hare (ORD) 3

22:59
Portland (PDX)
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3028)
Duration: 4:34, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4158
20:45
Chicago O'Hare (ORD) 3

23:22
Portland (PDX)
Effective 2026-08-05 through 2026-08-08
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2977)
Duration: 4:37, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4158
20:45
Chicago O'Hare (ORD) 3

23:22
Portland (PDX)
Effective 2026-08-19 through 2026-09-04
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2977)
Duration: 4:37, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4158
20:45
Chicago O'Hare (ORD) 3

23:22
Portland (PDX)
Operates only on 2026-09-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2977)
Duration: 4:37, non-stop
Boeing 737-800 (738)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Portland (PDX)
  • Dallas Fort Worth (DFW) - Tucson (TUS)
All Finnair flights
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