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(UA) United Airlines 4506 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
44
72%
Late
4
7%
Very Late
4
7%
Excessive
8
13%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
22
Codeshares
60
Average Delay (min.)
48.86363636363637
Standard Deviation
47.2
Min
0
Max
178

UA 4506 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 73%
Average Delay Time 48.86363636363637 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
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 42% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 48.86363636363637 min
This flight has an average delay of 48.86363636363637 minutes with a standard deviation of 47.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.