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(UA) United Airlines 2431 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(PHL) Philadelphia International Airport

Philadelphia, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
78%
Late
1
11%
Very Late
1
11%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
21
Standard Deviation
16
Min
0
Max
37

UA 2431 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 78%
Average Delay Time 21 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 61% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 21 min
This flight has an average delay of 21 minutes with a standard deviation of 16 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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