UA671 ORD → DEN

United Airlines · Chicago, IL to Denver, CO · 19 flights observed, 2025-12-18 to 2026-01-05 · 888 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is +8 min, while the worst 10% run +118 min or later.

UA671 covers more than one route in the data window — the stats below are for ORD → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
72%
Median delay
+8 min
90th percentile
+118 min
Cancellation rate
5%

How often is UA671 on time?

Across 19 flights on ORD → DEN from 2025-12-18 to 2026-01-05, UA671 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +118 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1372%
16-30 min00%
31-60 min317%
61-120 min00%
2+ hrs211%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121369%+33 min
2026-01580%+162 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue1100%
Wed2100%
Thu333%
Fri367%
Sat367%
Sun3100%

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