Delta Air Lines flight DL 4040: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 19:45 Minneapolis/Saint Paul (MSP) 1 22:51 Louisville (SDF)
DL 4040 Non-stop Embraer EMB 175 (E7W) 2:06 Effective 2026-03-08 through 2026-04-12
Daily 19:50 Minneapolis/Saint Paul (MSP) 1 22:50 Louisville (SDF)
DL 4040 Non-stop Embraer EMB 175 (E7W) 2:00 Effective 2026-04-13 through 2026-10-05
Daily 19:50 Minneapolis/Saint Paul (MSP) 1 22:55 Louisville (SDF)
DL 4040 Non-stop Embraer EMB 175 (E7W) 2:05 Effective from 2026-10-06
Daily 21:20 Detroit (DTW) M 22:45 Elmira/Corning (ELM)
DL 4040 Non-stop Canadair CRJ 700 (CR7) 1:25 Effective 2026-01-05 through 2026-01-18
Mon-Fri,Sun 21:20 Detroit (DTW) M 22:45 Elmira/Corning (ELM)
DL 4040 Non-stop Canadair CRJ 900 (CR9) 1:25 Effective 2026-01-19 through 2026-01-30
Sat 21:20 Detroit (DTW) M 22:45 Elmira/Corning (ELM)
DL 4040 Non-stop Canadair CRJ 700 (CR7) 1:25 Effective 2026-01-24 through 2026-02-07
Tue 21:20 Detroit (DTW) M 22:45 Elmira/Corning (ELM)
DL 4040 Non-stop Canadair CRJ 700 (CR7) 1:25 Operates only on 2026-02-10
Wed 21:20 Detroit (DTW) M 22:45 Elmira/Corning (ELM)
DL 4040 Non-stop Canadair CRJ 900 (CR9) 1:25 Operates only on 2026-02-11
Daily 21:20 Detroit (DTW) M 22:43 Elmira/Corning (ELM)
DL 4040 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective 2026-02-12 through 2026-02-23
Daily 21:20 Detroit (DTW) M 22:43 Elmira/Corning (ELM)
DL 4040 Non-stop Canadair CRJ 900 (CR9) 1:23 Effective 2026-02-24 through 2026-03-07
Mon-Fri,Sun 21:25 Detroit (DTW) M 22:50 Elmira/Corning (ELM)
DL 4040 Non-stop Canadair CRJ 900 (CR9) 1:25 Effective 2026-02-01 through 2026-02-09
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This flight number is listed as serving the following routes:
Delta Air Lines flight DL 4040: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Delta Air Lines DL4040
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL4040
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL4040
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL4040
Effective 2026-01-05 through 2026-01-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Canadair CRJ 700 (CR7)

Direct Flights:

Delta Air Lines DL4040
Effective 2026-01-19 through 2026-01-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4040
Effective 2026-01-24 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Canadair CRJ 700 (CR7)

Direct Flights:

Delta Air Lines DL4040
Operates only on 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Canadair CRJ 700 (CR7)

Direct Flights:

Delta Air Lines DL4040
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4040
Effective 2026-02-12 through 2026-02-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)

Direct Flights:

Delta Air Lines DL4040
Effective 2026-02-24 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4040
Effective 2026-02-01 through 2026-02-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Detroit (DTW) - Elmira/Corning (ELM)
  • Minneapolis/Saint Paul (MSP) - Louisville (SDF)