UA2090 SFO → STL

United Airlines · San Francisco, CA to St. Louis, MO · 41 flights observed, 2026-05-21 to 2026-06-30 · 1,735 mi

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

UA2090 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
80%
Median delay
-11 min
90th percentile
+47 min
Cancellation rate
0%

How often is UA2090 on time?

Across 41 flights on SFO → STL from 2026-05-21 to 2026-06-30, UA2090 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -11 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-time3380%
16-30 min25%
31-60 min37%
61-120 min25%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051173%+4 min
2026-063083%+1 min

Performance by day of week

DayFlightsOn-time
Mon683%
Tue6100%
Wed560%
Thu667%
Fri667%
Sat6100%
Sun683%

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