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(UA) United Airlines 4572 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(MEM) Memphis International Airport

Memphis, TN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
54%
Late
4
10%
Very Late
2
5%
Excessive
9
22%
Cancelled
2
5%
Diverted
2
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
24
Codeshares
39
Average Delay (min.)
54.958333333333336
Standard Deviation
66.4
Min
0
Max
249

UA 4572 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 56%
Average Delay Time 54.958333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 54.958333333333336 min
This flight has an average delay of 54.958333333333336 minutes with a standard deviation of 66.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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