Aeromexico
flight
AM 3421:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Aeromexico AM3421
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1788)
Duration: 1:10, non-stop Boeing 717 (717)
Direct Codeshare Flights:
Aeromexico AM3421
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3740)
Duration: 1:47, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Aeromexico AM3421
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3740)
Duration: 1:57, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Aeromexico AM3421
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3740)
Duration: 1:56, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Aeromexico AM3421
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3740)
Duration: 1:46, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Aeromexico AM3421
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3740)
Duration: 1:48, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Aeromexico AM3421
Effective 2026-01-05 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3740)
Duration: 1:59, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Aeromexico AM3421
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3740)
Duration: 1:59, non-stop Embraer EMB 175 (E7W)
This flight number is listed as serving the following routes:
- Augusta (AGS) - Atlanta (ATL)
- Boise (BOI) - Seattle-Tacoma (SEA)