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(UA) United Airlines 4556 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(MDT) Harrisburg International Airport

Middletown, PA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
79%
Late
2
11%
Very Late
2
11%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
5
Codeshares
19
Average Delay (min.)
25.6
Standard Deviation
11.5
Min
0
Max
39

UA 4556 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 79%
Average Delay Time 25.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 61% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 25.6 min
This flight has an average delay of 25.6 minutes with a standard deviation of 11.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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