UA1142 SFO → SAN

United Airlines · San Francisco, CA to San Diego, CA · 31 flights observed, 2025-09-25 to 2025-10-25 · 447 mi

This flight has been getting more reliable recently — 2025-10's on-time rate (76%) is well above the 50% average from earlier months.

UA1142 covers more than one route in the data window — the stats below are for SFO → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
-2 min
90th percentile
+51 min
Cancellation rate
0%

How often is UA1142 on time?

Across 31 flights on SFO → SAN from 2025-09-25 to 2025-10-25, UA1142 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +51 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2271%
16-30 min413%
31-60 min310%
61-120 min13%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-09650%+26 min
2025-102576%+8 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue425%
Wed475%
Thu580%
Fri580%
Sat580%
Sun475%

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