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(UA) United Airlines 4576 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(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
12
35%
Late
5
15%
Very Late
1
3%
Excessive
7
21%
Cancelled
8
24%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
18
Codeshares
33
Average Delay (min.)
55.166666666666664
Standard Deviation
68.5
Min
0
Max
274

UA 4576 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 36%
Average Delay Time 55.166666666666664 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 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 36%
This flight has an on-time performance of 36%. 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
0.3 of 5
Very Poor
Average Delay Time 55.166666666666664 min
This flight has an average delay of 55.166666666666664 minutes with a standard deviation of 68.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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