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(UA) United Airlines 9621 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(DUS) Dusseldorf Airport

Dusseldorf, DE

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
44
79%
Late
5
9%
Very Late
2
4%
Excessive
4
7%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
29
Codeshares
56
Average Delay (min.)
19.24137931034483
Standard Deviation
20.8
Min
0
Max
82

UA 9621 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 79%
Average Delay Time 19.24137931034483 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 19.24137931034483 min
This flight has an average delay of 19.24137931034483 minutes with a standard deviation of 20.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.