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(UA) United Airlines 4387 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(CMH) John Glenn Columbus International Airport

Columbus, OH, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
60%
Late
0
0%
Very Late
1
10%
Excessive
2
20%
Cancelled
0
0%
Diverted
1
10%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
5
Codeshares
9
Average Delay (min.)
74
Standard Deviation
86.2
Min
0
Max
208

UA 4387 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 67%
Average Delay Time 74 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 74 min
This flight has an average delay of 74 minutes with a standard deviation of 86.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.

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