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(UA) United Airlines 9640 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(LHR) London Heathrow Airport

London, EN, GB

(STR) Stuttgart Airport

Stuttgart, DE

On-Time Performance Chart

(using rounded numbers)
On-Time
40
77%
Late
7
13%
Very Late
1
2%
Excessive
4
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
33
Codeshares
52
Average Delay (min.)
18.424242424242426
Standard Deviation
23.8
Min
0
Max
91

UA 9640 On-Time Performance Details

Overall Rating
3.7 of 5
Good
Percentage On-Time 77%
Average Delay Time 18.424242424242426 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 73% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 18.424242424242426 min
This flight has an average delay of 18.424242424242426 minutes with a standard deviation of 23.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.