Delta Air Lines flight DL 4166: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 10:00 Detroit (DTW) M 10:30 Appleton (ATW)
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:30 Effective 2025-12-20 through 2026-01-05
Daily 12:00 Appleton (ATW) 14:21 Detroit (DTW) M
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:21 Effective 2025-12-20 through 2026-01-05
Mon-Fri,Sun 16:00 Detroit (DTW) M 16:26 Appleton (ATW)
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:26 Valid until 2025-05-06
Daily 16:05 Detroit (DTW) M 16:32 Appleton (ATW)
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:27 Effective 2025-05-07 through 2025-06-07
Daily 16:10 Detroit (DTW) M 16:34 Appleton (ATW)
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:24 Effective 2025-07-07 through 2025-09-07
Daily 16:10 Detroit (DTW) M 16:36 Appleton (ATW)
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:26 Effective 2025-09-08 through 2025-12-19
Daily 16:10 Detroit (DTW) M 16:42 Appleton (ATW)
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:32 Effective from 2026-01-06
Sat 16:42 Detroit (DTW) M 17:07 Appleton (ATW)
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:25 Effective 2025-06-14 through 2025-07-05
Mon-Fri,Sun 17:06 Appleton (ATW) 19:25 Detroit (DTW) M
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:19 Valid until 2025-05-06
Mon-Fri,Sun 17:09 Detroit (DTW) M 17:34 Appleton (ATW)
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:25 Effective 2025-06-08 through 2025-07-06
Daily 17:15 Appleton (ATW) 19:34 Detroit (DTW) M
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:19 Effective 2025-05-07 through 2025-06-07
Daily 17:20 Appleton (ATW) 19:42 Detroit (DTW) M
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:22 Effective 2025-07-07 through 2025-08-29
Daily 17:20 Appleton (ATW) 19:42 Detroit (DTW) M
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:22 Effective 2025-09-01 through 2025-09-07
Daily 17:20 Appleton (ATW) 19:47 Detroit (DTW) M
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:27 Effective 2025-09-08 through 2025-12-19
Daily 17:20 Appleton (ATW) 19:48 Detroit (DTW) M
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:28 Effective from 2026-01-06
Sat 17:47 Appleton (ATW) 20:08 Detroit (DTW) M
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:21 Effective 2025-06-14 through 2025-06-28
Mon-Fri,Sun 18:14 Appleton (ATW) 20:37 Detroit (DTW) M
DL 4166 Non-stop Canadair CRJ 900 (CR9) 1:23 Effective 2025-06-08 through 2025-06-27
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 4166: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL4166
10:00
Detroit (DTW) M

10:30
Appleton (ATW)
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
12:00
Appleton (ATW)

14:21
Detroit (DTW) M
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
16:00
Detroit (DTW) M

16:26
Appleton (ATW)
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:26, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
16:05
Detroit (DTW) M

16:32
Appleton (ATW)
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
16:10
Detroit (DTW) M

16:34
Appleton (ATW)
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:24, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
16:10
Detroit (DTW) M

16:36
Appleton (ATW)
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
16:10
Detroit (DTW) M

16:42
Appleton (ATW)
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
16:42
Detroit (DTW) M

17:07
Appleton (ATW)
Effective 2025-06-14 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
17:06
Appleton (ATW)

19:25
Detroit (DTW) M
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:19, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
17:09
Detroit (DTW) M

17:34
Appleton (ATW)
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
17:15
Appleton (ATW)

19:34
Detroit (DTW) M
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
17:20
Appleton (ATW)

19:42
Detroit (DTW) M
Effective 2025-07-07 through 2025-08-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
17:20
Appleton (ATW)

19:42
Detroit (DTW) M
Effective 2025-09-01 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
17:20
Appleton (ATW)

19:47
Detroit (DTW) M
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
17:20
Appleton (ATW)

19:48
Detroit (DTW) M
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
17:47
Appleton (ATW)

20:08
Detroit (DTW) M
Effective 2025-06-14 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:21, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4166
18:14
Appleton (ATW)

20:37
Detroit (DTW) M
Effective 2025-06-08 through 2025-06-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:23, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Appleton (ATW) - Detroit (DTW)
All Delta Air Lines flights
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- CACHE: False - LANG: en - IS_EU: False