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(UA) United Airlines 921 On-time Performance Rating

Date Range:

01-Sep-2018 to 31-Oct-2018

(LHR) London Heathrow Airport

London, EN, GB

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
73%
Late
5
8%
Very Late
5
8%
Excessive
5
8%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
63
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
33
Standard Deviation
47.1
Min
2
Max
179

UA 921 On-time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 75%
Average Delay Time 33 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.
On-time Performance Rating
1.1 of 5
Poor
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 33 min
This flight has an average delay of 33 minutes with a standard deviation of 47.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.