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(UA) United Airlines 3640 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-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
44
90%
Late
1
2%
Very Late
1
2%
Excessive
1
2%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
48
Total Delays ( > 1 min )
5
Codeshares
48
Average Delay (min.)
24.4
Standard Deviation
18.5
Min
0
Max
50

UA 3640 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 92%
Average Delay Time 24.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 24.4 min
This flight has an average delay of 24.4 minutes with a standard deviation of 18.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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