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(UA) United Airlines 4580 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(GRB) Green Bay Austin Straubel International Airport

Green Bay, WI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
53%
Late
3
10%
Very Late
1
3%
Excessive
8
27%
Cancelled
1
3%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
29
Total Delays ( > 1 min )
15
Codeshares
29
Average Delay (min.)
113.26666666666667
Standard Deviation
145.8
Min
0
Max
566

UA 4580 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 55%
Average Delay Time 113.26666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 55%
This flight has an on-time performance of 55%. 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
0.0 of 5
Very Poor
Average Delay Time 113.26666666666667 min
This flight has an average delay of 113.26666666666667 minutes with a standard deviation of 145.8 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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