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(UA) United Airlines 4815 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(CHO) Charlottesville Albemarle Airport

Charlottesville, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
44
80%
Late
4
7%
Very Late
2
4%
Excessive
4
7%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
19
Codeshares
55
Average Delay (min.)
37.63157894736842
Standard Deviation
51.7
Min
0
Max
170

UA 4815 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 80%
Average Delay Time 37.63157894736842 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 37.63157894736842 min
This flight has an average delay of 37.63157894736842 minutes with a standard deviation of 51.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.