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(UA) United Airlines 4978 On-time Performance Rating

Date Range:

01-Sep-2018 to 31-Oct-2018

(MDT) Harrisburg International Airport

Middletown, PA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
85%
Late
1
3%
Very Late
2
5%
Excessive
2
5%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
7
Codeshares
39
Average Delay (min.)
42
Standard Deviation
46.7
Min
0
Max
133

UA 4978 On-time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 85%
Average Delay Time 42 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-time Performance Rating
4.1 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 42 min
This flight has an average delay of 42 minutes with a standard deviation of 46.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.