UAL581

For travellers

Departure · San Francisco (SFO)

Terminal T3 · Gate F12

Scheduled 29 Sep 18:42 · Departed 29 Sep 18:34 · early

Board status: Departed

Airborne since 29 Sep 18:36 (ADS-B)

Board data from sfo, updated 4307 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

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

Scheduled departure

2026-09-30 01:42 UTC

Departed

2026-09-30 01:36 UTC

Arrival

Reno Tahoe International Airport (RNO) — Reno, United States

Also flies as

UA581

Codeshares

AC4053, LX3342, NZ9597, OZ6345

Distance flown

361 km

Straight-line distance

308 km

Approach distance

39 km

Aircraft

Registration

N76516

Type

Boeing 737-800

Seats

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

CO2 (EMEP est., total)

9.0 t (74 kg/pax Business, 52 kg/pax Economy)

Altitude & speed

Max altitude

25,025 ft

Max ground speed

418 kt

Tracked

57m · 360 km

Altitude (ft, max 25,025)

Ground speed (kt, max 418)

Altitude (ft, max 25,025)

Ground speed (kt, max 418)

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
2026-10-03 01:47 UTC	UAL581	SFO → RNO San Francisco → Reno	N14214	Boeing 737-800	Completed	366 km
2026-10-02 20:00 UTC	UAL581	BNA → SFO Nashville → San Francisco	N897UA	Airbus A319	Completed	3302 km
2026-10-01 20:46 UTC	UAL581	BNA → SFO Nashville → San Francisco	N854UA	Airbus A319	Completed	3324 km
2026-09-30 23:40 UTC	UAL581	BNA → SFO Nashville → San Francisco	N831UA	Airbus A319	Completed	3192 km
2026-09-30 01:36 UTC	UAL581	SFO → RNO San Francisco → Reno	N76516	Boeing 737-800	Completed	361 km
2026-09-29 20:06 UTC	UAL581	BNA → SFO Nashville → San Francisco	N847UA	Airbus A319	Completed	3194 km
2026-09-29 02:39 UTC	UAL581	SFO → RNO San Francisco → Reno	N33284	Boeing 737-800	Completed	364 km
2026-09-28 20:11 UTC	UAL581	BNA → SFO Nashville → San Francisco	N849UA	Airbus A319	Completed	3216 km
2026-09-28 16:51 UTC	UAL581	IAD → BNA Washington, DC → Nashville	N849UA	Airbus A319	Completed	939 km
2026-09-27 20:31 UTC	UAL581	BNA → SFO Nashville → San Francisco	N813UA	Airbus A319	Completed	3314 km
2026-09-27 01:43 UTC	UAL581	SFO → RNO San Francisco → Reno	N488UA	Airbus A320 233	Completed	444 km
2026-09-26 20:10 UTC	UAL581	BNA → SFO Nashville → San Francisco	N895UA	Airbus A319	Completed	3246 km
2026-09-26 16:51 UTC	UAL581	IAD → BNA Washington, DC → Nashville	N895UA	Airbus A319	Completed	940 km
2026-09-26 02:23 UTC	UAL581	SFO → RNO San Francisco → Reno	N39297	Boeing 737-800	Completed	360 km
2026-09-25 20:05 UTC	UAL581	BNA → SFO Nashville → San Francisco	N840UA	Airbus A319	Completed	3256 km
2026-09-25 16:53 UTC	UAL581	IAD → BNA Washington, DC → Nashville	N840UA	Airbus A319	Completed	947 km
2026-09-25 02:02 UTC	UAL581	SFO → RNO San Francisco → Reno	N37267	Boeing 737-800	Completed	361 km
2026-09-24 20:51 UTC	UAL581	BNA → SFO Nashville → San Francisco	N806UA	Airbus A319	Completed	3237 km
2026-09-23 20:01 UTC	UAL581	BNA → SFO Nashville → San Francisco	N872UA	Airbus A319	Completed	3217 km
2026-09-23 17:04 UTC	UAL581	IAD → BNA Washington, DC → Nashville	N872UA	Airbus A319	Completed	938 km
2026-09-22 20:01 UTC	UAL581	BNA → SFO Nashville → San Francisco	N871UA	Airbus A319	Completed	3232 km
2026-09-21 21:07 UTC	UAL581	BNA → SFO Nashville → San Francisco	N837UA	Airbus A319	Completed	3185 km
2026-09-20 22:01 UTC	UAL581	BNA → SFO Nashville → San Francisco	N811UA	Airbus A319	Completed	3236 km
2026-09-19 12:38 UTC	UAL581	IAH → JAX Houston → Jacksonville	N38417	Boeing 737-900	Completed (landing presumed)	1415 km
2026-09-18 20:24 UTC	UAL581	BNA → SFO Nashville → San Francisco	N877UA	Airbus A319	Completed	3369 km
2026-09-17 20:44 UTC	UAL581	BNA → SFO Nashville → San Francisco	N853UA	Airbus A319	Completed	3399 km
2026-09-16 20:15 UTC	UAL581	BNA → SFO Nashville → San Francisco	N841UA	Airbus A319	Completed	3379 km
2026-09-15 21:48 UTC	UAL581	BNA → SFO Nashville → San Francisco	N814UA	Airbus A319	Completed	3832 km
2026-09-14 20:04 UTC	UAL581	BNA → SFO Nashville → San Francisco	N842UA	Airbus A319	Completed	3462 km
2026-09-13 20:52 UTC	UAL581	BNA → SFO Nashville → San Francisco	N873UA	Airbus A319	Completed	3471 km
2026-09-12 12:40 UTC	UAL581	IAH → JAX Houston → Jacksonville	N62894	Boeing 737-900	Completed (landing presumed)	1512 km
2026-09-11 19:54 UTC	UAL581	BNA → SFO Nashville → San Francisco	N882UA	Airbus A319	Completed	3416 km
2026-09-10 20:02 UTC	UAL581	BNA → SFO Nashville → San Francisco	N806UA	Airbus A319	Completed	3469 km
2026-09-09 19:58 UTC	UAL581	BNA → SFO Nashville → San Francisco	N807UA	Airbus A319	Completed	3411 km
2026-09-08 02:01 UTC	UAL581	SFO → SBP San Francisco → San Luis Obispo	N811UA	Airbus A319	Completed	428 km
2026-09-07 20:22 UTC	UAL581	BNA → SFO Nashville → San Francisco	N457UA	Airbus A320 233	Completed	3404 km
2026-09-07 01:36 UTC	UAL581	SFO → SBP San Francisco → San Luis Obispo	N477UA	Airbus A320 233	Completed	425 km
2026-09-05 19:36 UTC	UAL581	BZN → LAX Bozeman → Los Angeles	N17459	Boeing 737 MAX 9	Completed	1697 km
2026-09-05 05:32 UTC	UAL581	SFO → SBP San Francisco → San Luis Obispo	N804UA	Airbus A319	Completed	429 km
2026-09-04 20:11 UTC	UAL581	BNA → SFO Nashville → San Francisco	N844UA	Airbus A319	Completed	3242 km
2026-09-03 23:01 UTC	UAL581	BNA → SFO Nashville → San Francisco	N816UA	Airbus A319	Completed	3357 km
2026-09-02 23:13 UTC	UAL581	BNA → SFO Nashville → San Francisco	N874UA	Airbus A319	Completed	3359 km
2026-09-02 01:34 UTC	UAL581	SFO → SBP San Francisco → San Luis Obispo	N825UA	Airbus A319	Completed	424 km
2026-09-01 20:06 UTC	UAL581	BNA → SFO Nashville → San Francisco	N855UA	Airbus A319	Completed	3332 km
2026-09-01 01:55 UTC	UAL581	SFO → SBP San Francisco → San Luis Obispo	N496UA	Airbus A320 233	Completed	425 km
2026-08-31 20:09 UTC	UAL581	BNA → SFO Nashville → San Francisco	N818UA	Airbus A319	Completed	3614 km
2026-08-31 01:35 UTC	UAL581	SFO → SBP San Francisco → San Luis Obispo	N804UA	Airbus A319	Completed	421 km
2026-08-30 20:44 UTC	UAL581	BNA → SFO Nashville → San Francisco	N432UA	Airbus A320 233	Completed	3464 km
2026-08-29 19:43 UTC	UAL581	BZN → LAX Bozeman → Los Angeles	N77530	Boeing 737-800	Completed	1778 km
2026-08-29 01:33 UTC	UAL581	SFO → SBP San Francisco → San Luis Obispo	N889UA	Airbus A319	Completed	422 km