UAL2177

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

San Francisco International Airport (SFO) — San Francisco, United States

Departed

2026-09-09 17:28 UTC

Arrival

San Diego International Airport (SAN) — San Diego, United States

Distance flown

903 km

Straight-line distance

719 km

Approach distance

72 km

Aircraft

Registration

N33284

Type

Boeing 737-800

Seats

166 total (102 Economy, 48 Economy Plus, 16 First)

Altitude & speed

Max altitude

35,000 ft

Max ground speed

478 kt

Tracked

1h 57m · 847 km

Altitude (ft, max 35,000)

Ground speed (kt, max 478)

Altitude (ft, max 35,000)

Ground speed (kt, max 478)

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

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-04 11:06 UTC	UAL2177	AUS → SFO Austin → San Francisco	N37538	Boeing 737 MAX 9	In progress	~2416 km est.
2026-10-02 18:13 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N76532	Boeing 737-800	Completed	848 km
2026-10-02 11:24 UTC	UAL2177	AUS → SFO Austin → San Francisco	N17420	Boeing 737 MAX 9	Completed	2496 km
2026-10-01 19:19 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N68452	Boeing 737-900	Completed	829 km
2026-10-01 11:07 UTC	UAL2177	AUS → SFO Austin → San Francisco	N87531	Boeing 737-800	Completed	2744 km
2026-09-30 17:51 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N54241	Boeing 737-800	Completed	840 km
2026-09-30 11:12 UTC	UAL2177	AUS → SFO Austin → San Francisco	N57451	Boeing 737 MAX 9	Completed	2567 km
2026-09-29 18:02 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N26215	Boeing 737-800	Completed	833 km
2026-09-28 18:14 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N34282	Boeing 737-800	Completed	873 km
2026-09-28 11:04 UTC	UAL2177	AUS → SFO Austin → San Francisco	N37548	Boeing 737 MAX 9	Completed	2504 km
2026-09-27 18:38 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N78540	Boeing 737-800	Completed	848 km
2026-09-27 11:07 UTC	UAL2177	AUS → SFO Austin → San Francisco	N17557	Boeing 737 MAX 9	Completed	2509 km
2026-09-26 18:11 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N439UA	Airbus A320 233	Completed	847 km
2026-09-25 18:04 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N37267	Boeing 737-800	Completed	846 km
2026-09-25 11:04 UTC	UAL2177	AUS → SFO Austin → San Francisco	N37521	Boeing 737 MAX 9	Completed	2567 km
2026-09-24 19:21 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N18243	Boeing 737-800	Completed	858 km
2026-09-24 11:08 UTC	UAL2177	AUS → SFO Austin → San Francisco	N17454	Boeing 737 MAX 9	Completed	2519 km
2026-09-23 18:04 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N17408	Boeing 737 MAX 9	Completed	843 km
2026-09-23 12:39 UTC	UAL2177	AUS → SFO Austin → San Francisco	N37437	Boeing 737-900	Completed	2585 km
2026-09-22 18:12 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N76528	Boeing 737-800	Completed	834 km
2026-09-22 12:25 UTC	UAL2177	AUS → SFO Austin → San Francisco	N844UA	Airbus A319	Completed	2523 km
2026-09-21 18:38 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N73275	Boeing 737-800	Completed	831 km
2026-09-21 12:19 UTC	UAL2177	AUS → SFO Austin → San Francisco	N77539	Boeing 737-800	Completed	2517 km
2026-09-20 17:31 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N37253	Boeing 737-800	Completed	860 km
2026-09-20 12:13 UTC	UAL2177	AUS → SFO Austin → San Francisco	N14240	Boeing 737-800	Completed	2668 km
2026-09-19 17:26 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N69826	Boeing 737-900	Completed	888 km
2026-09-19 12:11 UTC	UAL2177	AUS → SFO Austin → San Francisco	N76517	Boeing 737-800	Completed	2634 km
2026-09-18 12:19 UTC	UAL2177	AUS → SFO Austin → San Francisco	N73276	Boeing 737-800	Completed	2644 km
2026-09-17 17:59 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N73276	Boeing 737-800	Completed	922 km
2026-09-17 12:15 UTC	UAL2177	AUS → SFO Austin → San Francisco	N68453	Boeing 737-900	Completed	2783 km
2026-09-16 17:30 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N76288	Boeing 737-800	Completed	881 km
2026-09-16 12:20 UTC	UAL2177	AUS → SFO Austin → San Francisco	N17405	Boeing 737 MAX 9	Completed	2672 km
2026-09-15 17:32 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N37290	Boeing 737-800	Completed	895 km
2026-09-15 12:21 UTC	UAL2177	AUS → SFO Austin → San Francisco	N483UA	Airbus A320 233	Completed	2637 km
2026-09-14 19:07 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N37273	Boeing 737-800	Completed	912 km
2026-09-14 12:17 UTC	UAL2177	AUS → SFO Austin → San Francisco	N76508	Boeing 737-800	Completed	2678 km
2026-09-13 18:52 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N37274	Boeing 737-800	Completed	899 km
2026-09-13 12:16 UTC	UAL2177	AUS → SFO Austin → San Francisco	N76505	Boeing 737-800	Completed	2637 km
2026-09-12 18:15 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N69835	Boeing 737-900	Completed	889 km
2026-09-12 12:12 UTC	UAL2177	AUS → SFO Austin → San Francisco	N37415	Boeing 737 MAX 9	Completed	2784 km
2026-09-11 19:25 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N37273	Boeing 737-800	Completed	932 km
2026-09-11 12:14 UTC	UAL2177	AUS → SFO Austin → San Francisco	N37507	Boeing 737 MAX 9	Completed	2812 km
2026-09-10 17:30 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N77579	Boeing 737 MAX 9	Completed	922 km
2026-09-10 12:08 UTC	UAL2177	AUS → SFO Austin → San Francisco	N69885	Boeing 737-900	Completed	2741 km
2026-09-09 17:28 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N33284	Boeing 737-800	Completed	903 km
2026-09-09 12:24 UTC	UAL2177	AUS → SFO Austin → San Francisco	N77471	Boeing 737 MAX 9	Completed	2714 km
2026-09-08 12:23 UTC	UAL2177	AUS → SFO Austin → San Francisco	N38257	Boeing 737-800	Incomplete (signal lost)	~2542 km est. (692 km recorded)
2026-09-07 19:40 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N76529	Boeing 737-800	Completed	882 km
2026-09-07 12:17 UTC	UAL2177	AUS → SFO Austin → San Francisco	N28457	Boeing 737-900	Completed	2630 km
2026-09-06 17:26 UTC	UAL2177	SFO → SAN San Francisco → San Diego	N76532	Boeing 737-800	Completed	886 km