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(UA) United Airlines 1263 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
86%
Late
2
6%
Very Late
0
0%
Excessive
0
0%
Cancelled
3
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
21.5
Standard Deviation
2.1
Min
0
Max
23

UA 1263 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 86%
Average Delay Time 21.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 21.5 min
This flight has an average delay of 21.5 minutes with a standard deviation of 2.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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