MSO → SFO United Airlines

United Airlines · Missoula, MT to San Francisco, CA · 135 flights, 2025-07-01 to 2026-06-30 · aggregated across 6 flight numbers

This route has been getting less reliable recently — 2026-06's on-time rate (57%) is well below the 82% average from earlier months.
On-time arrival
77%
Median delay
-4 min
90th percentile
+57 min
Cancellation rate
1%

How on-time is United Airlines from MSO to SFO?

Across every United Airlines flight number on MSO → SFO (135 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +57 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time10377%
16-30 min75%
31-60 min118%
61-120 min75%
2+ hrs54%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073580%+7 min
2025-083097%-9 min
2025-0913100%-12 min
2025-123100%+5 min
2026-01450%+98 min
2026-02450%+22 min
2026-034100%-5 min
2026-051050%+20 min
2026-063057%+30 min

Performance by day of week

DayFlightsOn-time
Mon1878%
Tue1377%
Wed1258%
Thu1688%
Fri1765%
Sat3985%
Sun1878%

UA flight numbers on MSO → SFO

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…