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(UA) United Airlines 3640 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-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
41
80%
Late
3
6%
Very Late
2
4%
Excessive
4
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
9
Codeshares
50
Average Delay (min.)
44
Standard Deviation
28.2
Min
0
Max
107

UA 3640 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 82%
Average Delay Time 44 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 44 min
This flight has an average delay of 44 minutes with a standard deviation of 28.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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