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(UA) United Airlines 8351 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

(YUL) Montreal-Trudeau International Airport

Montreal, QC, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
22
42%
Late
10
19%
Very Late
4
8%
Excessive
13
25%
Cancelled
4
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
38
Codeshares
53
Average Delay (min.)
52.55263157894737
Standard Deviation
62.6
Min
0
Max
311

UA 8351 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 42%
Average Delay Time 52.55263157894737 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 42%
This flight has an on-time performance of 42%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 52.55263157894737 min
This flight has an average delay of 52.55263157894737 minutes with a standard deviation of 62.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.