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(UA) United Airlines 740 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(PDX) Portland International Airport

Portland, OR, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
74%
Late
6
22%
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
27
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
18.833333333333332
Standard Deviation
27.1
Min
0
Max
102

UA 740 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 74%
Average Delay Time 18.833333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 18.833333333333332 min
This flight has an average delay of 18.833333333333332 minutes with a standard deviation of 27.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

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