Finnair flights from Louisville (SDF) to Dallas Fort Worth (DFW).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 14:13 Louisville (SDF) 15:54 Dallas Fort Worth (DFW) Finnair AY 4037 Non-stop Canadair CRJ 900 (CR9) 2:41 Effective 2026-01-06 through 2026-01-20 Codeshare flight, operated by American Airlines.(AA 5610)
Mon,Wed-Sun 14:13 Louisville (SDF) 15:54 Dallas Fort Worth (DFW) Finnair AY 4037 Non-stop Canadair CRJ 900 (CR9) 2:41 Effective 2026-01-22 through 2026-02-02 Codeshare flight, operated by American Airlines.(AA 5610)
Mon,Tue,Thu-Sun 14:13 Louisville (SDF) 15:54 Dallas Fort Worth (DFW) Finnair AY 4037 Non-stop Canadair CRJ 900 (CR9) 2:41 Effective 2026-02-03 through 2026-02-10 Codeshare flight, operated by American Airlines.(AA 5610)
Wed 14:13 Louisville (SDF) 15:54 Dallas Fort Worth (DFW) Finnair AY 4037 Non-stop Canadair CRJ 900 (CR9) 2:41 Operates only on 2026-02-11 Codeshare flight, operated by American Airlines.(AA 5610)
Mon,Wed,Fri 14:32 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4038 Non-stop Embraer EMB 175 (E75) 2:23 Effective 2026-07-03 through 2026-08-03 Codeshare flight, operated by American Airlines.(AA 3801)
Mon,Wed,Fri,Sun 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4038 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-05-22 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 3791)
Tue,Sat 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4039 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-05-23 through 2026-06-30 Codeshare flight, operated by American Airlines.(AA 3791)
Mon,Wed,Thu 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4040 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-04-08 through 2026-04-29 Codeshare flight, operated by American Airlines.(AA 3847)
Mon,Thu,Fri,Sun 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4040 Non-stop Airbus A321 (321) 2:20 Effective 2026-04-30 through 2026-05-04 Codeshare flight, operated by American Airlines.(AA 3261)
Mon,Wed-Fri 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4040 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-05-06 through 2026-05-18 Codeshare flight, operated by American Airlines.(AA 3847)
Tue 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4076 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-04-07 through 2026-04-28 Codeshare flight, operated by American Airlines.(AA 3847)
Wed 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4096 Non-stop Embraer EMB 175 (E75) 2:20 Operates only on 2026-05-20 Codeshare flight, operated by American Airlines.(AA 3847)
Tue,Sat,Sun 14:32 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4107 Non-stop Embraer EMB 175 (E75) 2:23 Effective 2026-07-04 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 3801)
Sat,Sun 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4107 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-04-11 through 2026-05-02 Codeshare flight, operated by American Airlines.(AA 3847)
Tue,Sat,Sun 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4107 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-05-05 through 2026-05-19 Codeshare flight, operated by American Airlines.(AA 3847)
Daily 13:46 Louisville (SDF) 15:18 Dallas Fort Worth (DFW) Finnair AY 4137 Non-stop Canadair CRJ 900 (CR9) 2:32 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 5644)
Daily 14:04 Louisville (SDF) 15:44 Dallas Fort Worth (DFW) Finnair AY 4137 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2026-02-12 through 2026-03-03 Codeshare flight, operated by American Airlines.(AA 5644Z)
Thu-Sat 14:04 Louisville (SDF) 15:44 Dallas Fort Worth (DFW) Finnair AY 4137 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2026-03-05 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 5644Z)
Mon,Wed-Sun 14:06 Louisville (SDF) 15:43 Dallas Fort Worth (DFW) Finnair AY 4137 Non-stop Canadair CRJ 900 (CR9) 2:37 Effective 2026-03-08 through 2026-03-30 Codeshare flight, operated by American Airlines.(AA 5644)
Mon,Thu-Sun 14:06 Louisville (SDF) 15:43 Dallas Fort Worth (DFW) Finnair AY 4137 Non-stop Canadair CRJ 900 (CR9) 2:37 Effective 2026-04-02 through 2026-04-06 Codeshare flight, operated by American Airlines.(AA 5644)
Tue 14:11 Louisville (SDF) 15:48 Dallas Fort Worth (DFW) Finnair AY 4137 Non-stop Canadair CRJ 900 (CR9) 2:37 Effective 2026-03-10 through 2026-03-31 Codeshare flight, operated by American Airlines.(AA 5644)
Fri 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4137 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-04-10 through 2026-04-24 Codeshare flight, operated by American Airlines.(AA 3847)
Thu 14:32 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4204 Non-stop Embraer EMB 175 (E75) 2:23 Effective 2026-07-02 through 2026-07-30 Codeshare flight, operated by American Airlines.(AA 3801)
Thu 14:35 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 4204 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-05-21 through 2026-06-25 Codeshare flight, operated by American Airlines.(AA 3791)
Daily 14:18 Louisville (SDF) 15:41 Dallas Fort Worth (DFW) Finnair AY 5702 Non-stop Canadair CRJ 900 (CR9) 2:23 Effective 2026-08-05 through 2026-08-30 Codeshare flight, operated by American Airlines.(AA 5449)
Tue-Sun 14:18 Louisville (SDF) 15:41 Dallas Fort Worth (DFW) Finnair AY 5702 Non-stop Canadair CRJ 900 (CR9) 2:23 Effective 2026-09-01 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 5449)
Tue-Sun 14:31 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 5702 Non-stop Canadair CRJ 900 (CR9) 2:24 Effective 2026-09-09 through 2026-09-20 Codeshare flight, operated by American Airlines.(AA 5449)
Daily 14:31 Louisville (SDF) 15:55 Dallas Fort Worth (DFW) Finnair AY 5702 Non-stop Canadair CRJ 900 (CR9) 2:24 Effective from 2026-09-21 Codeshare flight, operated by American Airlines.(AA 5449)

A domestic route departing from the Louisville airport (SDF) and arriving at Dallas Fort Worth airport (DFW).
The flight distance is 731 miles, or 1177 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 2:20 and 2:41.

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FLIGHT SCHEDULE

Direct Codeshare Flights:

Finnair AY4037

14:13

Louisville (SDF)

15:54

Dallas Fort Worth (DFW)

Effective 2026-01-06 through 2026-01-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5610)

Duration: 2:41, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4037

14:13

Louisville (SDF)

15:54

Dallas Fort Worth (DFW)

Effective 2026-01-22 through 2026-02-02

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5610)

Duration: 2:41, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4037

14:13

Louisville (SDF)

15:54

Dallas Fort Worth (DFW)

Effective 2026-02-03 through 2026-02-10

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5610)

Duration: 2:41, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4037

14:13

Louisville (SDF)

15:54

Dallas Fort Worth (DFW)

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 5610)

Duration: 2:41, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4038

14:32

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-07-03 through 2026-08-03

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3801)

Duration: 2:23, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4038

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-05-22 through 2026-07-01

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3791)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4039

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-05-23 through 2026-06-30

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3791)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4040

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-04-08 through 2026-04-29

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3847)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4040

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-04-30 through 2026-05-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3261)

Duration: 2:20, non-stop
Airbus A321 (321)

Direct Codeshare Flights:

Finnair AY4040

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-05-06 through 2026-05-18

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3847)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4076

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-04-07 through 2026-04-28

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3847)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4096

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Operates only on 2026-05-20

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3847)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4107

14:32

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-07-04 through 2026-08-04

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3801)

Duration: 2:23, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4107

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-04-11 through 2026-05-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3847)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4107

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-05-05 through 2026-05-19

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3847)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4137

13:46

Louisville (SDF)

15:18

Dallas Fort Worth (DFW)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5644)

Duration: 2:32, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4137

14:04

Louisville (SDF)

15:44

Dallas Fort Worth (DFW)

Effective 2026-02-12 through 2026-03-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines.(AA 5644Z)

Duration: 2:40, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4137

14:04

Louisville (SDF)

15:44

Dallas Fort Worth (DFW)

Effective 2026-03-05 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by American Airlines.(AA 5644Z)

Duration: 2:40, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4137

14:06

Louisville (SDF)

15:43

Dallas Fort Worth (DFW)

Effective 2026-03-08 through 2026-03-30

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5644)

Duration: 2:37, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4137

14:06

Louisville (SDF)

15:43

Dallas Fort Worth (DFW)

Effective 2026-04-02 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5644)

Duration: 2:37, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4137

14:11

Louisville (SDF)

15:48

Dallas Fort Worth (DFW)

Effective 2026-03-10 through 2026-03-31

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 5644)

Duration: 2:37, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY4137

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-04-10 through 2026-04-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3847)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4204

14:32

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-07-02 through 2026-07-30

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3801)

Duration: 2:23, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY4204

14:35

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-05-21 through 2026-06-25

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3791)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Finnair AY5702

14:18

Louisville (SDF)

15:41

Dallas Fort Worth (DFW)

Effective 2026-08-05 through 2026-08-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5449)

Duration: 2:23, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY5702

14:18

Louisville (SDF)

15:41

Dallas Fort Worth (DFW)

Effective 2026-09-01 through 2026-09-08

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5449)

Duration: 2:23, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY5702

14:31

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective 2026-09-09 through 2026-09-20

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5449)

Duration: 2:24, non-stop
Canadair CRJ 900 (CR9)

Direct Codeshare Flights:

Finnair AY5702

14:31

Louisville (SDF)

15:55

Dallas Fort Worth (DFW)

Effective from 2026-09-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 5449)

Duration: 2:24, non-stop
Canadair CRJ 900 (CR9)

A domestic route departing from the Louisville airport (SDF) and arriving at Dallas Fort Worth airport (DFW).
The flight distance is 731 miles, or 1177 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 2:20 and 2:41.

All SDF-DFW flights

All Finnair flights

Return (DFW-SDF) flights

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