UA663 DEN → MFR

United Airlines · Denver, CO to Medford, OR · 340 flights observed, 2025-07-01 to 2026-06-30 · 964 mi

UA663 covers more than one route in the data window — the stats below are for DEN → MFR, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
77%
Median delay
-2 min
90th percentile
+46 min
Cancellation rate
0%

How often is UA663 on time?

Across 340 flights on DEN → MFR from 2025-07-01 to 2026-06-30, UA663 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +46 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time26077%
16-30 min278%
31-60 min257%
61-120 min165%
2+ hrs103%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073040%+53 min
2025-083158%+19 min
2025-093087%-1 min
2025-103184%+2 min
2025-112997%-8 min
2025-123184%+5 min
2026-013097%-8 min
2026-022879%+8 min
2026-037100%-7 min
2026-043093%-7 min
2026-053168%+22 min
2026-063057%+20 min

Performance by day of week

DayFlightsOn-time
Mon4982%
Tue5080%
Wed4976%
Thu4667%
Fri4879%
Sat4879%
Sun4875%

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