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(UA) United Airlines 4527 On-Time Performance Rating

Date Range:

15-Mar-2024 to 15-May-2024

(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
52
88%
Late
0
0%
Very Late
3
5%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
11
Codeshares
59
Average Delay (min.)
43.90909090909091
Standard Deviation
48.1
Min
0
Max
169

UA 4527 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 88%
Average Delay Time 43.90909090909091 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 62% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 43.90909090909091 min
This flight has an average delay of 43.90909090909091 minutes with a standard deviation of 48.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.