UA2177 SFO → SAN

United Airlines · San Francisco, CA to San Diego, CA · 248 flights observed, 2025-10-26 to 2026-06-30 · 447 mi

UA2177 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
69%
Median delay
+2 min
90th percentile
+47 min
Cancellation rate
0%

How often is UA2177 on time?

Across 248 flights on SFO → SAN from 2025-10-26 to 2026-06-30, UA2177 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +47 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time17169%
16-30 min3514%
31-60 min2610%
61-120 min114%
2+ hrs52%

Performance by month

MonthFlightsOn-timeAvg delay
2025-1060%+41 min
2025-113050%+29 min
2025-123158%+23 min
2026-013184%+6 min
2026-022879%+6 min
2026-033184%+1 min
2026-043070%+15 min
2026-053158%+11 min
2026-063083%-1 min

Performance by day of week

DayFlightsOn-time
Mon3664%
Tue3672%
Wed3569%
Thu3563%
Fri3566%
Sat3580%
Sun3669%

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