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(UA) United Airlines 9638 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
35
67%
Late
13
25%
Very Late
2
4%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
37
Codeshares
52
Average Delay (min.)
17.324324324324323
Standard Deviation
18.9
Min
0
Max
106

UA 9638 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 67%
Average Delay Time 17.324324324324323 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 17.324324324324323 min
This flight has an average delay of 17.324324324324323 minutes with a standard deviation of 18.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.