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(UA) United Airlines 509 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(FCO) Rome Leonardo da Vinci Fiumicino Airport

Rome, IT

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
75%
Late
3
5%
Very Late
3
5%
Excessive
4
6%
Cancelled
4
6%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
31.3
Standard Deviation
44
Min
0
Max
188

UA 509 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 77%
Average Delay Time 31.3 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 31.3 min
This flight has an average delay of 31.3 minutes with a standard deviation of 44 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.