UA1550 DEN → SBP

United Airlines · Denver, CO to San Luis Obispo, CA · 321 flights observed, 2025-07-01 to 2026-05-20 · 931 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -4 min, while the worst 10% run +64 min or later.

UA1550 covers more than one route in the data window — the stats below are for DEN → SBP, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
79%
Median delay
-4 min
90th percentile
+64 min
Cancellation rate
1%

How often is UA1550 on time?

Across 321 flights on DEN → SBP from 2025-07-01 to 2026-05-20, UA1550 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +64 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time24579%
16-30 min196%
31-60 min165%
61-120 min165%
2+ hrs165%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073142%+49 min
2025-082969%+83 min
2025-092781%+8 min
2025-103087%+2 min
2025-112789%+24 min
2025-123087%+23 min
2026-013087%-9 min
2026-022886%+2 min
2026-033184%-3 min
2026-042986%-3 min
2026-052065%+16 min

Performance by day of week

DayFlightsOn-time
Mon4386%
Tue4678%
Wed4589%
Thu4468%
Fri4486%
Sat4578%
Sun4564%

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