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(UA) United Airlines 4440 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BHM) Birmingham-Shuttlesworth International Airport

Birmingham, AL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
58%
Late
2
17%
Very Late
1
8%
Excessive
1
8%
Cancelled
0
0%
Diverted
1
8%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
4
Codeshares
11
Average Delay (min.)
56.25
Standard Deviation
55.7
Min
0
Max
138

UA 4440 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 64%
Average Delay Time 56.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 17% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 56.25 min
This flight has an average delay of 56.25 minutes with a standard deviation of 55.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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