UA1841 SMF → DEN

United Airlines · Sacramento, CA to Denver, CO · 224 flights observed, 2025-07-01 to 2026-06-29 · 909 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -13 min, while the worst 10% run +55 min or later.

UA1841 covers more than one route in the data window — the stats below are for SMF → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
79%
Median delay
-13 min
90th percentile
+55 min
Cancellation rate
1%

How often is UA1841 on time?

Across 224 flights on SMF → DEN from 2025-07-01 to 2026-06-29, UA1841 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +55 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time17479%
16-30 min115%
31-60 min178%
61-120 min136%
2+ hrs63%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072959%+18 min
2025-082580%0 min
2025-092167%+7 min
2025-102295%-10 min
2025-112190%-3 min
2025-121267%+11 min
2026-014100%-17 min
2026-021173%+10 min
2026-031788%-13 min
2026-041889%-14 min
2026-052090%-8 min
2026-062167%+21 min

Performance by day of week

DayFlightsOn-time
Mon3367%
Tue1080%
Wed4188%
Thu4370%
Fri4283%
Sat1191%
Sun4180%

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