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(UA) United Airlines 663 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(DEN) Denver International Airport

Denver, CO, US

(MFR) Rogue Valley International-Medford Airport

Medford, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
57%
Late
4
7%
Very Late
9
15%
Excessive
10
17%
Cancelled
2
3%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
36
Codeshares
0
Average Delay (min.)
47.25
Standard Deviation
59.9
Min
0
Max
235

UA 663 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 58%
Average Delay Time 47.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 58%
This flight has an on-time performance of 58%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 47.25 min
This flight has an average delay of 47.25 minutes with a standard deviation of 59.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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