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(UA) United Airlines 4387 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(LEX) Blue Grass Airport

Lexington, KY, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
50%
Late
6
17%
Very Late
1
3%
Excessive
10
28%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
24
Codeshares
35
Average Delay (min.)
57.291666666666664
Standard Deviation
68.8
Min
0
Max
231

UA 4387 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 51%
Average Delay Time 57.291666666666664 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
0.0 of 5
Very Poor
Percentage On-Time 51%
This flight has an on-time performance of 51%. 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
0.1 of 5
Very Poor
Average Delay Time 57.291666666666664 min
This flight has an average delay of 57.291666666666664 minutes with a standard deviation of 68.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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