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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

(ATW) Appleton International Airport

Appleton, WI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
65%
Late
2
10%
Very Late
0
0%
Excessive
4
20%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
9
Codeshares
19
Average Delay (min.)
70.11111111111111
Standard Deviation
78.8
Min
0
Max
186

UA 4440 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 68%
Average Delay Time 70.11111111111111 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 70.11111111111111 min
This flight has an average delay of 70.11111111111111 minutes with a standard deviation of 78.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

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