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(UA) United Airlines 2640 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
89%
Late
1
2%
Very Late
3
7%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
21.166666666666668
Standard Deviation
23.9
Min
0
Max
77

UA 2640 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 89%
Average Delay Time 21.166666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 21.166666666666668 min
This flight has an average delay of 21.166666666666668 minutes with a standard deviation of 23.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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