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(UA) United Airlines 519 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SAN) San Diego International Airport

San Diego, CA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
72%
Late
5
11%
Very Late
3
7%
Excessive
4
9%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
44.07142857142857
Standard Deviation
35.4
Min
0
Max
110

UA 519 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 72%
Average Delay Time 44.07142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 24% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. 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
1.1 of 5
Poor
Average Delay Time 44.07142857142857 min
This flight has an average delay of 44.07142857142857 minutes with a standard deviation of 35.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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