UA377 SLC → DEN

United Airlines · Salt Lake City, UT to Denver, CO · 30 flights observed, 2025-09-26 to 2025-10-25 · 391 mi

UA377 covers more than one route in the data window — the stats below are for SLC → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
87%
Median delay
0 min
90th percentile
+23 min
Cancellation rate
0%

How often is UA377 on time?

Across 30 flights on SLC → DEN from 2025-09-26 to 2025-10-25, UA377 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +23 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2687%
16-30 min13%
31-60 min13%
61-120 min27%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-09580%+13 min
2025-102588%+4 min

Performance by day of week

DayFlightsOn-time
Mon450%
Tue4100%
Wed4100%
Thu450%
Fri5100%
Sat5100%
Sun4100%

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