UAL1948

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Cancún International Airport (CUN) — Cancún, Mexico

Departed

2026-09-21 18:08 UTC

Arrival

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

Distance flown

4089 km

Straight-line distance

3871 km

Approach distance

73 km

Aircraft

Registration

N17529

Type

Boeing 737 MAX 9

Seats

179 total (117 Economy, 42 Economy Plus, 20 First)

Altitude & speed

Max altitude

36,025 ft

Max ground speed

487 kt

Tracked

5h 11m · 4,077 km

Altitude (ft, max 36,025)

Ground speed (kt, max 487)

Altitude (ft, max 36,025)

Ground speed (kt, max 487)

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 18:10 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17405	Boeing 737 MAX 9	In progress	~3871 km est.
2026-10-02 17:56 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37577	Boeing 737 MAX 9	Completed	4032 km
2026-10-01 17:50 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N47512	Boeing 737 MAX 9	Completed	4048 km
2026-09-30 18:18 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37540	Boeing 737 MAX 9	Completed	3994 km
2026-09-29 18:00 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37534	Boeing 737 MAX 9	Completed	4130 km
2026-09-28 18:24 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N47570	Boeing 737 MAX 9	Completed	4085 km
2026-09-27 18:05 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37548	Boeing 737 MAX 9	Completed	4047 km
2026-09-26 18:20 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17529	Boeing 737 MAX 9	Completed	4021 km
2026-09-25 18:10 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N47524	Boeing 737 MAX 9	Completed	4015 km
2026-09-25 13:04 UTC	UAL1948	EWR → CUN Newark → Cancún	N47524	Boeing 737 MAX 9	Completed	2860 km
2026-09-24 17:57 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37521	Boeing 737 MAX 9	Completed	4106 km
2026-09-23 18:08 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37545	Boeing 737 MAX 9	Completed	4218 km
2026-09-22 18:06 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37562	Boeing 737 MAX 9	Completed	4086 km
2026-09-21 18:08 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17529	Boeing 737 MAX 9	Completed	4089 km
2026-09-20 17:59 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N77584	Boeing 737 MAX 9	Completed	4092 km
2026-09-19 18:08 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17566	Boeing 737 MAX 9	Completed	4186 km
2026-09-18 18:04 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N77543	Boeing 737 MAX 9	Completed	4228 km
2026-09-16 19:31 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37540	Boeing 737 MAX 9	Completed	3177 km
2026-09-15 17:59 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37562	Boeing 737 MAX 9	Completed	4196 km
2026-09-14 18:04 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N77581	Boeing 737 MAX 9	Completed	4188 km
2026-09-13 20:00 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37518	Boeing 737 MAX 9	Completed	3056 km
2026-09-12 18:06 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N77558	Boeing 737 MAX 9	Completed	4334 km
2026-09-11 18:05 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N27520	Boeing 737 MAX 9	Completed	4271 km
2026-09-10 17:56 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N77543	Boeing 737 MAX 9	Completed	4352 km
2026-09-09 17:54 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37541	Boeing 737 MAX 9	Completed	4235 km
2026-09-07 18:00 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N77552	Boeing 737 MAX 9	Completed	4253 km
2026-09-06 19:40 UTC	UAL1948	? → SFO ? → San Francisco	N17594	Boeing 737-900	Completed	3008 km
2026-09-05 19:31 UTC	UAL1948	? → SFO ? → San Francisco	N27546	Boeing 737 MAX 9	Completed	3110 km
2026-09-04 18:25 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N77588	Boeing 737 MAX 9	Completed	4088 km
2026-09-03 17:58 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37562	Boeing 737 MAX 9	Completed	4178 km
2026-09-02 18:42 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17402	Boeing 737 MAX 9	Completed	4211 km
2026-09-01 18:06 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37548	Boeing 737 MAX 9	Completed	4159 km
2026-08-31 18:05 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37538	Boeing 737 MAX 9	Completed	4418 km
2026-08-30 18:35 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N27509	Boeing 737 MAX 9	Completed	4212 km
2026-08-29 17:55 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17529	Boeing 737 MAX 9	Completed	4197 km
2026-08-28 18:05 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17574	Boeing 737 MAX 9	Completed	4172 km
2026-08-27 18:37 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N27519	Boeing 737 MAX 9	Completed	4244 km
2026-08-26 18:06 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37562	Boeing 737 MAX 9	Completed	4170 km
2026-08-25 18:04 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37536	Boeing 737 MAX 8	Completed	4232 km
2026-08-24 17:56 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17574	Boeing 737 MAX 9	Completed	4174 km
2026-08-23 17:59 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17594	Boeing 737-900	Completed	4274 km
2026-08-22 17:50 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37535	Boeing 737 MAX 9	Completed	5221 km
2026-08-21 18:15 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N37560	Boeing 737 MAX 9	Completed	5522 km
2026-08-20 21:04 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17401	Boeing 737 MAX 9	Completed	4805 km
2026-08-19 17:58 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17583	Boeing 737 MAX 9	Completed	8332 km
2026-08-19 00:33 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N17591	Boeing 737 MAX 9	Completed	5168 km
2026-08-17 18:05 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N77587	Boeing 737 MAX 9	Completed	5147 km
2026-08-16 17:59 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N47569	Boeing 737 MAX 9	Completed	5287 km
2026-08-12 18:02 UTC	UAL1948	CUN → SFO Cancún → San Francisco	N77580	Boeing 737 MAX 9	Completed	4875 km
2026-08-11 23:10 UTC	UAL1948	SFO → SFO San Francisco → San Francisco	N17591	Boeing 737 MAX 9	Completed	~3 km est. (0 km recorded)