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(UA) United Airlines 3497 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(YOW) Ottawa Macdonald-Cartier International Airport

Ottawa, ON, CA

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
28
85%
Late
1
3%
Very Late
0
0%
Excessive
4
12%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
6
Codeshares
33
Average Delay (min.)
58.333333333333336
Standard Deviation
41.9
Min
0
Max
112

UA 3497 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 85%
Average Delay Time 58.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
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 84% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 58.333333333333336 min
This flight has an average delay of 58.333333333333336 minutes with a standard deviation of 41.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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