SWA1921

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Seattle Tacoma International Airport (SEA) — Seattle, United States

Departed

2026-09-13 16:51 UTC

Arrival

Denver International Airport (DEN) — Denver, United States

Distance flown

1826 km

Straight-line distance

1645 km

Approach distance

53 km

Aircraft

Registration

N8965Q

Type

Boeing 737 MAX 8

Seats

175 total (175 Economy) (typical for type, not this tail)

Altitude & speed

Max altitude

37,025 ft

Max ground speed

511 kt

Tracked

2h 8m · 1,716 km

Altitude (ft, max 37,025)

Ground speed (kt, max 511)

Altitude (ft, max 37,025)

Ground speed (kt, max 511)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 03:40 UTC	SWA1921	SLC → PHX Salt Lake City → Phoenix	N7741C	Boeing 737-700	Completed	851 km
2026-09-28 23:53 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8311Q	Boeing 737-800	Incomplete (signal lost)	332 km
2026-09-27 16:14 UTC	SWA1921	SEA → DEN Seattle → Denver	N9012J	Boeing 737 MAX 8	Completed	1728 km
2026-09-27 13:16 UTC	SWA1921	OAK → SEA Oakland → Seattle	N9012J	Boeing 737 MAX 8	Completed	1115 km
2026-09-26 22:57 UTC	SWA1921	AUS → ELP Austin → El Paso	N8871Q	Boeing 737 MAX 8	Completed (landing presumed)	866 km
2026-09-26 19:35 UTC	SWA1921	MCO → AUS Orlando → Austin	N8871Q	Boeing 737 MAX 8	Completed	1678 km
2026-09-25 23:57 UTC	SWA1921	SAT → HOU San Antonio → Houston	N1807U	Boeing 737 MAX 8	Completed (landing presumed)	351 km
2026-09-25 00:34 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8993Q	Boeing 737 MAX 8	Incomplete (signal lost)	331 km
2026-09-21 23:56 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8824Q	Boeing 737 MAX 8	Incomplete (signal lost)	329 km
2026-09-20 16:13 UTC	SWA1921	SEA → DEN Seattle → Denver	N9007K	Boeing 737 MAX 8	Completed	1862 km
2026-09-20 13:14 UTC	SWA1921	OAK → SEA Oakland → Seattle	N9007K	Boeing 737 MAX 8	Completed	1244 km
2026-09-19 23:02 UTC	SWA1921	AUS → ELP Austin → El Paso	N8867Q	Boeing 737 MAX 8	Completed (landing presumed)	905 km
2026-09-19 19:42 UTC	SWA1921	MCO → AUS Orlando → Austin	N8867Q	Boeing 737 MAX 8	Completed	1760 km
2026-09-18 23:51 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8546V	Boeing 737-800	Incomplete (signal lost)	353 km
2026-09-18 00:41 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8905Q	Boeing 737 MAX 8	Completed	334 km
2026-09-14 23:30 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8572X	Boeing 737-800	Incomplete (signal lost)	345 km
2026-09-13 16:51 UTC	SWA1921	SEA → DEN Seattle → Denver	N8965Q	Boeing 737 MAX 8	Completed	1826 km
2026-09-13 13:20 UTC	SWA1921	OAK → SEA Oakland → Seattle	N8965Q	Boeing 737 MAX 8	Completed	1281 km
2026-09-12 22:59 UTC	SWA1921	AUS → ELP Austin → El Paso	N8833L	Boeing 737 MAX 8	Completed	892 km
2026-09-12 19:55 UTC	SWA1921	MCO → AUS Orlando → Austin	N8833L	Boeing 737 MAX 8	Completed	1753 km
2026-09-12 00:15 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8885Q	Boeing 737 MAX 8	Incomplete (signal lost)	387 km
2026-09-10 23:47 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8528Q	Boeing 737-800	Completed (landing presumed)	381 km
2026-09-08 00:19 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8579Z	Boeing 737-800	Completed (landing presumed)	340 km
2026-09-06 21:00 UTC	SWA1921	LBB → DAL Lubbock → Dallas	N563WN	Boeing 737-700	Completed	549 km
2026-09-05 22:58 UTC	SWA1921	AUS → ELP Austin → El Paso	N8826Q	Boeing 737 MAX 8	Completed	901 km
2026-09-05 19:46 UTC	SWA1921	MCO → AUS Orlando → Austin	N8826Q	Boeing 737 MAX 8	Completed	1763 km
2026-09-05 01:11 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8564Z	Boeing 737-800	Completed	326 km
2026-09-03 23:55 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8806Q	Boeing 737 MAX 8	Completed (landing presumed)	342 km
2026-08-31 23:27 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8614M	Boeing 737-800	Completed	346 km
2026-08-30 16:22 UTC	SWA1921	SEA → DEN Seattle → Denver	N8843S	Boeing 737 MAX 8	Completed	1818 km
2026-08-30 13:18 UTC	SWA1921	OAK → SEA Oakland → Seattle	N8843S	Boeing 737 MAX 8	Completed	1191 km
2026-08-29 23:11 UTC	SWA1921	AUS → ELP Austin → El Paso	N8748Q	Boeing 737 MAX 8	Completed	901 km
2026-08-29 19:54 UTC	SWA1921	MCO → AUS Orlando → Austin	N8748Q	Boeing 737 MAX 8	Completed	1780 km
2026-08-29 00:45 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8667D	Boeing 737-800	Completed	366 km
2026-08-28 00:04 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8740A	Boeing 737 MAX 8	Incomplete (signal lost)	527 km
2026-08-25 00:01 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8916Q	Boeing 737 MAX 8	Incomplete (signal lost)	381 km
2026-08-23 17:05 UTC	SWA1921	SEA → DEN Seattle → Denver	N8935Q	Boeing 737 MAX 8	Completed	1829 km
2026-08-23 13:22 UTC	SWA1921	OAK → SEA Oakland → Seattle	N8935Q	Boeing 737 MAX 8	Completed	1642 km
2026-08-22 19:26 UTC	SWA1921	MCO → ELP Orlando → El Paso	N8701Q	Boeing 737 MAX 8	Completed	3820 km
2026-08-21 23:53 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8802Q	Boeing 737 MAX 8	Completed	515 km
2026-08-21 02:01 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8556Z	Boeing 737-800	Completed	~730 km est. (434 km recorded)
2026-08-18 00:42 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8826Q	Boeing 737 MAX 8	Completed	411 km
2026-08-16 16:16 UTC	SWA1921	SEA → DEN Seattle → Denver	N8600F	Boeing 737-800	Completed	2594 km
2026-08-16 13:07 UTC	SWA1921	OAK → SEA Oakland → Seattle	N8600F	Boeing 737-800	Completed	~2561 km est. (1701 km recorded)
2026-08-15 14:32 UTC	SWA1921	HOU → ELP Houston → El Paso	N8512U	Boeing 737-800	Completed	8340 km
2026-08-14 23:55 UTC	SWA1921	SAT → HOU San Antonio → Houston	N8950L	Boeing 737 MAX 8	Completed	~1819 km est. (473 km recorded)
2026-08-13 20:04 UTC	SWA1921	BWI → HOU Baltimore → Houston	N8524Z	Boeing 737-800	Completed	2977 km
2026-08-13 11:22 UTC	SWA1921	MCO → BWI Orlando → Baltimore	N8524Z	Boeing 737-800	Completed	~6203 km est. (4155 km recorded)