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(UA) United Airlines 8639 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
52
85%
Late
5
8%
Very Late
1
2%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
23
Codeshares
61
Average Delay (min.)
18.217391304347824
Standard Deviation
17.5
Min
0
Max
70

UA 8639 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 85%
Average Delay Time 18.217391304347824 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 18.217391304347824 min
This flight has an average delay of 18.217391304347824 minutes with a standard deviation of 17.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.