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(UA) United Airlines 918 On-time Performance Rating

Date Range:

15-Sep-2018 to 15-Nov-2018

(IAD) Washington Dulles International Airport

Dulles, VA, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
54
87%
Late
3
5%
Very Late
0
0%
Excessive
5
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
31
Standard Deviation
50.6
Min
0
Max
160

UA 918 On-time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 87%
Average Delay Time 31 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 58% of all other flights in the FlightStats database.
On-time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 31 min
This flight has an average delay of 31 minutes with a standard deviation of 50.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.