UA336 SFO → STL

United Airlines · San Francisco, CA to St. Louis, MO · 135 flights observed, 2025-07-01 to 2025-12-17 · 1,735 mi

UA336 covers more than one route in the data window — the stats below are for SFO → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
85%
Median delay
-11 min
90th percentile
+24 min
Cancellation rate
1%

How often is UA336 on time?

Across 135 flights on SFO → STL from 2025-07-01 to 2025-12-17, UA336 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +24 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time11385%
16-30 min108%
31-60 min65%
61-120 min22%
2+ hrs22%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072673%+6 min
2025-083184%0 min
2025-092492%-11 min
2025-106100%-15 min
2025-112986%-1 min
2025-121788%-8 min

Performance by day of week

DayFlightsOn-time
Mon2075%
Tue2181%
Wed2195%
Thu1883%
Fri19100%
Sat1580%
Sun1979%

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