YAFT.LIVE

SWA3421

DEN → SMF · Boeing 737 MAX 8 · Southwest Airlines

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
Denver International Airport (DEN) — Denver, United States
Departed
2026-09-15 01:41 UTC
Arrival
Sacramento International Airport (SMF) — Sacramento, United States
Distance flown
1603 km
Straight-line distance
1460 km
Approach distance
72 km

Aircraft

Registration
N8939Q
Type
Boeing 737 MAX 8
Seats
175 total (175 Economy) (typical for type, not this tail)

Altitude & speed

Max altitude
38,025 ft
Max ground speed
429 kt
Tracked
3h 16m · 1,524 km
Altitude (ft, max 38,025)
020,53441,0670m30m1h 0m1h 30m2h 0m2h 30m3h 0m
Ground speed (kt, max 429)
02324630m30m1h 0m1h 30m2h 0m2h 30m3h 0m
Altitude (ft, max 38,025)
020,53441,0670m1h 0m2h 0m3h 0m
Ground speed (kt, max 429)
02324630m1h 0m2h 0m3h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Southwest Airlines (SWA)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-01 22:16 UTC SWA3421 PHX → MCI
Phoenix → Kansas City
 N8855Q Boeing 737 MAX 8 Completed (landing presumed) 1850 km
2026-09-30 18:52 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8788L Boeing 737 MAX 8 Completed 1502 km
2026-09-29 18:41 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8520Q Boeing 737-800 Completed 1531 km
2026-09-29 02:05 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8795L Boeing 737 MAX 8 Completed 1556 km
2026-09-27 14:54 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8843S Boeing 737 MAX 8 Completed 1503 km
2026-09-26 05:44 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8693A Boeing 737-800 Completed 1511 km
2026-09-25 02:20 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8974K Boeing 737 MAX 8 Completed 1509 km
2026-09-22 01:05 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N9029H Boeing 737 MAX 8 Completed 1487 km
2026-09-20 14:45 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8817L Boeing 737 MAX 8 Completed 1603 km
2026-09-19 03:04 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8677A Boeing 737-800 Completed 1553 km
2026-09-18 03:37 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8884Q Boeing 737 MAX 8 Completed 1558 km
2026-09-15 18:11 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8323C Boeing 737-800 Completed 1626 km
2026-09-15 01:41 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8939Q Boeing 737 MAX 8 Completed 1603 km
2026-09-13 14:34 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8501V Boeing 737-800 Completed 1602 km
2026-09-12 02:27 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8323C Boeing 737-800 Completed 1589 km
2026-09-11 01:33 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8988S Boeing 737 MAX 8 Completed 1586 km
2026-09-08 01:17 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8710M Boeing 737 MAX 8 Completed 1598 km
2026-09-06 14:40 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8630B Boeing 737-800 Completed 1612 km
2026-09-05 01:47 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8949Q Boeing 737 MAX 8 Completed 1562 km
2026-09-04 01:17 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8984L Boeing 737-800 Completed 1557 km
2026-09-01 01:19 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8963Q Boeing 737 MAX 8 Completed 1579 km
2026-08-30 14:36 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N9013M Boeing 737 MAX 8 Completed 1611 km
2026-08-29 01:13 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8828L Boeing 737 MAX 8 Completed 1541 km
2026-08-28 01:16 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8659D Boeing 737-800 Completed 1517 km
2026-08-25 02:25 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N886GK Boeing 737 MAX 8 Completed 1522 km
2026-08-23 14:55 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8512U Boeing 737-800 Completed 1938 km
2026-08-21 21:57 UTC SWA3421 SJC → SMF
San Jose → Sacramento
 N1805U Boeing 737 MAX 8 Completed 5260 km
2026-08-20 22:11 UTC SWA3421 SJC → SMF
San Jose → Sacramento
 N8906K Boeing 737 MAX 8 Completed 4151 km
2026-08-18 01:07 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8954Q Boeing 737 MAX 8 Completed 1938 km
2026-08-16 14:38 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8831L Boeing 737 MAX 8 Completed ~2740 km est. (2151 km recorded)
2026-08-16 01:54 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8690A Boeing 737-800 Completed ~5228 km est. (2343 km recorded)
2026-08-14 03:18 UTC SWA3421 DEN → SMF
Denver → Sacramento
 N8801Q Boeing 737 MAX 8 Completed 1580 km
2026-08-13 23:53 UTC SWA3421 SJC → DEN
San Jose → Denver
 N8801Q Boeing 737 MAX 8 Completed 1858 km
2026-08-13 20:36 UTC SWA3421 SNA → SJC
Santa Ana → San Jose
 N8801Q Boeing 737 MAX 8 Completed 753 km
2026-08-13 18:27 UTC SWA3421 PHX → SNA
Phoenix → Santa Ana
 N8801Q Boeing 737 MAX 8 Completed 706 km
2026-08-13 13:35 UTC SWA3421 SEA → PHX
Seattle → Phoenix
 N8801Q Boeing 737 MAX 8 Completed 1941 km
2026-08-13 00:22 UTC SWA3421 BNA → SEA
Nashville → Seattle
 N8801Q Boeing 737 MAX 8 Completed ~4666 km est. (3647 km recorded)

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