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(UA) United Airlines 9643 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(STR) Stuttgart Airport

Stuttgart, DE

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
46
88%
Late
3
6%
Very Late
2
4%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
32
Codeshares
52
Average Delay (min.)
9.75
Standard Deviation
11.9
Min
0
Max
60

UA 9643 On-Time Performance Details

Overall Rating
4.9 of 5
Very Good
Percentage On-Time 89%
Average Delay Time 9.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 97% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 9.75 min
This flight has an average delay of 9.75 minutes with a standard deviation of 11.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 99% of other flights.