UA1803 DEN → COS

United Airlines · Denver, CO to Colorado Springs, CO · 35 flights observed, 2026-05-21 to 2026-06-24 · 73 mi

This flight's reliability varies a lot by day of week — 100% on-time on Wednesdays vs. 40% on Mondays.

UA1803 covers more than one route in the data window — the stats below are for DEN → COS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
74%
Median delay
-6 min
90th percentile
+113 min
Cancellation rate
3%

How often is UA1803 on time?

Across 35 flights on DEN → COS from 2026-05-21 to 2026-06-24, UA1803 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +113 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2574%
16-30 min26%
31-60 min13%
61-120 min26%
2+ hrs412%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051173%+14 min
2026-062374%+23 min

Performance by day of week

DayFlightsOn-time
Mon540%
Tue580%
Wed5100%
Thu5100%
Fri580%
Sat540%
Sun475%

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