United Airlines
UA1803Chicago to Denver
United Airlines flight UA1803 flies from Chicago O'Hare (ORD) to Denver (DEN), 1,426 km. Over August 2025 to July 2026 it usually arrives about 2 minutes late: 86% of 796 flights arrived within 15 minutes of schedule and 0.8% were cancelled (US Department of Transportation data).
On-time record, last 12 months
86%
on time (within 15 min)
9%
more than 30 min late
0.8%
cancelled
+2 min
average arrival vs schedule
Every operation of UA1803, August 2025 to July 2026: 796 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA1803
- Chicago O'Hare (ORD) to Denver (DEN)328 flights
- Pittsburgh (PIT) to Chicago O'Hare (ORD)193 flights
- Raleigh-durham (RDU) to Chicago O'Hare (ORD)111 flights
- Denver (DEN) to Hayden (HDN)58 flights
- Chicago O'Hare (ORD) to Des Moines (DSM)37 flights
- Denver (DEN) to Colorado Springs (COS)35 flights
- Denver (DEN) to Las Vegas (LAS)34 flights
Other flights from Chicago to Denver
More about Chicago O'Hare (ORD) and Denver (DEN).
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