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(UA) United Airlines 2631 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(PHL) Philadelphia International Airport

Philadelphia, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
86%
Late
3
8%
Very Late
1
3%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
14.375
Standard Deviation
12.8
Min
0
Max
39

UA 2631 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 89%
Average Delay Time 14.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% 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 97% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 14.375 min
This flight has an average delay of 14.375 minutes with a standard deviation of 12.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

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