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(UA) United Airlines 901 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
52
88%
Late
2
3%
Very Late
2
3%
Excessive
1
2%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
14.318181818181818
Standard Deviation
19.4
Min
0
Max
91

UA 901 On-Time Performance Details

Overall Rating
5.0 of 5
Very Good
Percentage On-Time 88%
Average Delay Time 14.318181818181818 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 5 shows that this flight has on-time performance characteristics better than 98% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 14.318181818181818 min
This flight has an average delay of 14.318181818181818 minutes with a standard deviation of 19.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 97% of other flights.