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(UA) United Airlines 3499 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
96%
Late
0
0%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
4
Codeshares
23
Average Delay (min.)
21.25
Standard Deviation
31.2
Min
0
Max
68

UA 3499 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 96%
Average Delay Time 21.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 21.25 min
This flight has an average delay of 21.25 minutes with a standard deviation of 31.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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