UA1048 SFO → LAS

United Airlines · San Francisco, CA to Las Vegas, NV · 31 flights observed, 2025-09-25 to 2025-10-25 · 414 mi

This flight's reliability varies a lot by day of week — 100% on-time on Thursdays vs. 60% on Fridays.

UA1048 covers more than one route in the data window — the stats below are for SFO → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
87%
Median delay
-1 min
90th percentile
+19 min
Cancellation rate
0%

How often is UA1048 on time?

Across 31 flights on SFO → LAS from 2025-09-25 to 2025-10-25, UA1048 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +19 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time2787%
16-30 min26%
31-60 min13%
61-120 min13%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-09683%+1 min
2025-102588%+4 min

Performance by day of week

DayFlightsOn-time
Mon4100%
Tue475%
Wed475%
Thu5100%
Fri560%
Sat5100%
Sun4100%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…