UA1377 DEN → ORD

United Airlines · Denver, CO to Chicago, IL · 363 flights observed, 2025-07-01 to 2026-06-30 · 888 mi

UA1377 covers more than one route in the data window — the stats below are for DEN → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-8 min
90th percentile
+24 min
Cancellation rate
1%

How often is UA1377 on time?

Across 363 flights on DEN → ORD from 2025-07-01 to 2026-06-30, UA1377 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +24 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time31488%
16-30 min134%
31-60 min164%
61-120 min41%
2+ hrs113%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073077%+33 min
2025-082983%+6 min
2025-093093%-6 min
2025-103190%-6 min
2025-112986%-5 min
2025-123187%-2 min
2026-013181%+2 min
2026-022796%-5 min
2026-032986%+4 min
2026-043090%-5 min
2026-053197%-5 min
2026-063087%+8 min

Performance by day of week

DayFlightsOn-time
Mon5184%
Tue5290%
Wed5190%
Thu5294%
Fri4890%
Sat5287%
Sun5279%

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