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(UA) United Airlines 4963 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(GSP) Greenville-Spartanburg International Airport

Greenville, SC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
64%
Late
2
4%
Very Late
4
8%
Excessive
10
19%
Cancelled
3
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
27
Codeshares
53
Average Delay (min.)
67.88888888888889
Standard Deviation
84.1
Min
0
Max
338

UA 4963 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 67.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 67.88888888888889 min
This flight has an average delay of 67.88888888888889 minutes with a standard deviation of 84.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.