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(UA) United Airlines 5581 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MKE) Milwaukee Mitchell International Airport

Milwaukee, WI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
56%
Late
2
13%
Very Late
0
0%
Excessive
4
25%
Cancelled
0
0%
Diverted
1
6%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
6
Codeshares
15
Average Delay (min.)
61.333333333333336
Standard Deviation
37.4
Min
0
Max
120

UA 5581 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 60%
Average Delay Time 61.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. 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
0.8 of 5
Poor
Average Delay Time 61.333333333333336 min
This flight has an average delay of 61.333333333333336 minutes with a standard deviation of 37.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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