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(UA) United Airlines 4644 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(ATW) Appleton International Airport

Appleton, WI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
67%
Late
2
6%
Very Late
0
0%
Excessive
4
12%
Cancelled
4
12%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
10
Codeshares
32
Average Delay (min.)
144.5
Standard Deviation
267.4
Min
0
Max
848

UA 4644 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 69%
Average Delay Time 144.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 3% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 144.5 min
This flight has an average delay of 144.5 minutes with a standard deviation of 267.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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