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(UA) United Airlines 4558 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(XNA) Northwest Arkansas National Airport

Bentonville, AR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
82%
Late
0
0%
Very Late
1
6%
Excessive
1
6%
Cancelled
1
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
4
Codeshares
17
Average Delay (min.)
27.5
Standard Deviation
23.5
Min
0
Max
57

UA 4558 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 82%
Average Delay Time 27.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 27.5 min
This flight has an average delay of 27.5 minutes with a standard deviation of 23.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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