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(UA) United Airlines 509 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(SNA) John Wayne Airport

Santa Ana, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
81%
Late
4
11%
Very Late
0
0%
Excessive
2
5%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
10
Codeshares
0
Average Delay (min.)
32.3
Standard Deviation
54.5
Min
0
Max
182

UA 509 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 81%
Average Delay Time 32.3 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 71% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 32.3 min
This flight has an average delay of 32.3 minutes with a standard deviation of 54.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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