background

(UA) United Airlines 9644 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(STR) Stuttgart Airport

Stuttgart, DE

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
34
65%
Late
7
13%
Very Late
5
10%
Excessive
5
10%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
30
Codeshares
52
Average Delay (min.)
25.4
Standard Deviation
25.8
Min
0
Max
124

UA 9644 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 65%
Average Delay Time 25.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 25.4 min
This flight has an average delay of 25.4 minutes with a standard deviation of 25.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.