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(UA) United Airlines 9637 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(LHR) London Heathrow Airport

London, EN, GB

(HAM) Hamburg Airport

Hamburg, DE

On-Time Performance Chart

(using rounded numbers)
On-Time
20
38%
Late
10
19%
Very Late
10
19%
Excessive
10
19%
Cancelled
2
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
40
Codeshares
52
Average Delay (min.)
29.725
Standard Deviation
21.2
Min
0
Max
107

UA 9637 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 39%
Average Delay Time 29.725 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 39%
This flight has an on-time performance of 39%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 29.725 min
This flight has an average delay of 29.725 minutes with a standard deviation of 21.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.