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(UA) United Airlines 4487 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(CVG) Cincinnati/Northern Kentucky International Airport

Cincinnati, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
82%
Late
0
0%
Very Late
0
0%
Excessive
5
13%
Cancelled
0
0%
Diverted
2
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
6
Codeshares
37
Average Delay (min.)
179.33333333333334
Standard Deviation
153.8
Min
0
Max
448

UA 4487 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 87%
Average Delay Time 179.33333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 179.33333333333334 min
This flight has an average delay of 179.33333333333334 minutes with a standard deviation of 153.8 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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