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(UA) United Airlines 901 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-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
47
81%
Late
3
5%
Very Late
1
2%
Excessive
6
10%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
26
Codeshares
0
Average Delay (min.)
30
Standard Deviation
39.7
Min
0
Max
126

UA 901 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 81%
Average Delay Time 30 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 67% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 30 min
This flight has an average delay of 30 minutes with a standard deviation of 39.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.