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(UA) United Airlines 4957 On-time Performance Rating

Date Range:

01-Sep-2018 to 31-Oct-2018

(CHO) Charlottesville Albemarle Airport

Charlottesville, VA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
94%
Late
0
0%
Very Late
0
0%
Excessive
3
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
10
Codeshares
52
Average Delay (min.)
55
Standard Deviation
87.7
Min
1
Max
232

UA 4957 On-time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 94%
Average Delay Time 55 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 55 min
This flight has an average delay of 55 minutes with a standard deviation of 87.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.