Delta Air Lines flight DL 4121: Austin - McAllen/Mission

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 14:40 Austin (AUS) 15:59 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:19 Effective 2026-06-07 through 2026-10-05
Daily 14:40 Austin (AUS) 16:01 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:21 Effective from 2026-10-06
Sat 15:15 Austin (AUS) 16:38 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:23 Effective 2026-03-14 through 2026-04-11
Mon-Fri,Sun 15:25 Austin (AUS) 16:45 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:20 Effective 2026-01-05 through 2026-01-16
Mon-Fri,Sun 15:25 Austin (AUS) 16:45 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:20 Effective 2026-01-19 through 2026-02-11
Daily 15:30 Austin (AUS) 16:49 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:19 Effective 2026-04-13 through 2026-06-06
Sat 15:45 Austin (AUS) 17:08 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:23 Effective 2026-02-14 through 2026-03-07
Sat 15:50 Austin (AUS) 17:13 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:23 Operates only on 2026-01-10
Sat,Sun 15:50 Austin (AUS) 17:13 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:23 Effective 2026-01-17 through 2026-01-24
Sat 15:50 Austin (AUS) 17:13 McAllen/Mission (MFE)
DL 4121 Non-stop Embraer EMB 175 (E7W) 1:23 Effective 2026-01-31 through 2026-02-07


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Delta Air Lines flight DL 4121:
Austin - McAllen/Mission
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL4121
14:40
Austin (AUS)

15:59
McAllen/Mission (MFE)
Effective 2026-06-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4121
14:40
Austin (AUS)

16:01
McAllen/Mission (MFE)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4121
15:15
Austin (AUS)

16:38
McAllen/Mission (MFE)
Effective 2026-03-14 through 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:23, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4121
15:25
Austin (AUS)

16:45
McAllen/Mission (MFE)
Effective 2026-01-05 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4121
15:25
Austin (AUS)

16:45
McAllen/Mission (MFE)
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4121
15:30
Austin (AUS)

16:49
McAllen/Mission (MFE)
Effective 2026-04-13 through 2026-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4121
15:45
Austin (AUS)

17:08
McAllen/Mission (MFE)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:23, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4121
15:50
Austin (AUS)

17:13
McAllen/Mission (MFE)
Operates only on 2026-01-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:23, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4121
15:50
Austin (AUS)

17:13
McAllen/Mission (MFE)
Effective 2026-01-17 through 2026-01-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:23, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
Delta Air Lines DL4121
15:50
Austin (AUS)

17:13
McAllen/Mission (MFE)
Effective 2026-01-31 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:23, non-stop
Embraer EMB 175 (E7W)
  • DL 4121 is a domestic flight departing from the Austin airport (AUS) and arriving at McAllen/Mission airport (MFE).
  • The flight distance is 280 miles, or 451 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:19 and 1:23.
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