Delta Air Lines flight DL 3999: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 18:05 Los Angeles (LAX) 3 20:46 Spokane (GEG)
DL 3999 Non-stop Embraer EMB 175 (E7W) 2:41 Effective 2025-12-20 through 2026-01-05
Daily 18:30 Milwaukee (MKE) 20:45 Detroit (DTW) M
DL 3999 Non-stop Canadair CRJ 900 (CR9) 1:15 Effective 2025-09-08 through 2025-11-05
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 3999: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL3999
18:05
Los Angeles (LAX) 3

20:46
Spokane (GEG)
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Embraer EMB 175 (E7W)
Delta Air Lines DL3999
18:30
Milwaukee (MKE)

20:45
Detroit (DTW) M
Effective 2025-09-08 through 2025-11-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Los Angeles (LAX) - Spokane (GEG)
  • Milwaukee (MKE) - Detroit (DTW)
All Delta Air Lines flights
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