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(UA) United Airlines 3903 On-time Performance Rating

Date Range:

15-Feb-2019 to 15-Apr-2019

(IAD) Washington Dulles International Airport

Dulles, VA, US

(STL) Lambert-St. Louis International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
71%
Late
7
13%
Very Late
3
5%
Excessive
2
4%
Cancelled
3
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
19
Codeshares
55
Average Delay (min.)
30
Standard Deviation
37.8
Min
2
Max
145

UA 3903 On-time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 73%
Average Delay Time 30 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.
On-time Performance Rating
1.4 of 5
Poor
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 30 min
This flight has an average delay of 30 minutes with a standard deviation of 37.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.