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(UA) United Airlines 4288 On-Time Performance Rating

Date Range:

01-Feb-2021 to 31-Mar-2021

(IAD) Washington Dulles International Airport

Dulles, VA, US

(TYS) McGhee Tyson Airport

Knoxville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
84%
Late
2
3%
Very Late
2
3%
Excessive
4
7%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
19
Codeshares
59
Average Delay (min.)
78
Standard Deviation
212.1
Min
0
Max
930

UA 4288 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 86%
Average Delay Time 78 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. 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
0.0 of 5
Very Poor
Average Delay Time 78 min
This flight has an average delay of 78 minutes with a standard deviation of 212.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.