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(UA) United Airlines 4809 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(STL) Lambert-St. Louis International Airport

Saint Louis, MO, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
71%
Late
0
0%
Very Late
0
0%
Excessive
2
12%
Cancelled
1
6%
Diverted
2
12%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
3
Codeshares
15
Average Delay (min.)
321
Standard Deviation
381.1
Min
9
Max
746

UA 4809 On-time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 80%
Average Delay Time 321 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 28% of all other flights in the FlightStats database.
On-time Performance Rating
2.9 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 321 min
This flight has an average delay of 321 minutes with a standard deviation of 381.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.