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(UA) United Airlines 4987 On-time Performance Rating

Date Range:

15-Aug-2018 to 15-Oct-2018

(TYS) McGhee Tyson Airport

Knoxville, TN, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
71%
Late
0
0%
Very Late
2
29%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
7
Total Delays ( > 1 min )
2
Codeshares
7
Average Delay (min.)
35
Standard Deviation
4.9
Min
32
Max
39

UA 4987 On-time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 71%
Average Delay Time 35 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-time Performance Rating
1.7 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 35 min
This flight has an average delay of 35 minutes with a standard deviation of 4.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.