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(UA) United Airlines 1640 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
74%
Late
2
11%
Very Late
0
0%
Excessive
2
11%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
39.857142857142854
Standard Deviation
51.1
Min
0
Max
141

UA 1640 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 78%
Average Delay Time 39.857142857142854 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 39.857142857142854 min
This flight has an average delay of 39.857142857142854 minutes with a standard deviation of 51.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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