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(UA) United Airlines 5631 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(PSP) Palm Springs International Airport

Palm Springs, CA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
82%
Late
4
8%
Very Late
0
0%
Excessive
5
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
17
Codeshares
51
Average Delay (min.)
40.705882352941174
Standard Deviation
59.5
Min
0
Max
245

UA 5631 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 82%
Average Delay Time 40.705882352941174 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 40.705882352941174 min
This flight has an average delay of 40.705882352941174 minutes with a standard deviation of 59.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.