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(UA) United Airlines 4478 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(LEX) Blue Grass Airport

Lexington, KY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
47%
Late
1
7%
Very Late
1
7%
Excessive
5
33%
Cancelled
0
0%
Diverted
1
7%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
8
Codeshares
14
Average Delay (min.)
88.375
Standard Deviation
79.4
Min
0
Max
223

UA 4478 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 50%
Average Delay Time 88.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 88.375 min
This flight has an average delay of 88.375 minutes with a standard deviation of 79.4 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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