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(UA) United Airlines 3440 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
43
72%
Late
10
17%
Very Late
3
5%
Excessive
3
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
27
Codeshares
59
Average Delay (min.)
29.77777777777778
Standard Deviation
43.4
Min
0
Max
210

UA 3440 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 73%
Average Delay Time 29.77777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 29.77777777777778 min
This flight has an average delay of 29.77777777777778 minutes with a standard deviation of 43.4 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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