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(UA) United Airlines 551 On-time Performance Rating

Date Range:

01-Nov-2018 to 31-Dec-2018

(DCA) Ronald Reagan National Airport

Washington, DC, US

(IAH) George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
89%
Late
2
6%
Very Late
1
3%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
9
Standard Deviation
10
Min
1
Max
42

UA 551 On-time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 91%
Average Delay Time 9 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 95% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 9 min
This flight has an average delay of 9 minutes with a standard deviation of 10 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.