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(UA) United Airlines 8339 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(YUL) Montreal-Trudeau International Airport

Montreal, QC, CA

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
64%
Late
9
15%
Very Late
7
11%
Excessive
2
3%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
34
Codeshares
61
Average Delay (min.)
19
Standard Deviation
15.4
Min
0
Max
62

UA 8339 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 64%
Average Delay Time 19 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. 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
4.8 of 5
Very Good
Average Delay Time 19 min
This flight has an average delay of 19 minutes with a standard deviation of 15.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.