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(UA) United Airlines 6635 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(YUL) Montreal-Trudeau International Airport

Montreal, QC, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
38
62%
Late
4
7%
Very Late
4
7%
Excessive
9
15%
Cancelled
6
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
31
Codeshares
61
Average Delay (min.)
32.903225806451616
Standard Deviation
32.4
Min
0
Max
124

UA 6635 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 62%
Average Delay Time 32.903225806451616 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 32.903225806451616 min
This flight has an average delay of 32.903225806451616 minutes with a standard deviation of 32.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.