background

(UA) United Airlines 1239 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(ROC) Frederick Douglass Greater Rochester Intl Airport

Rochester, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
27
61%
Late
4
9%
Very Late
5
11%
Excessive
7
16%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
52.608695652173914
Standard Deviation
60
Min
0
Max
228

UA 1239 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 61%
Average Delay Time 52.608695652173914 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 52.608695652173914 min
This flight has an average delay of 52.608695652173914 minutes with a standard deviation of 60 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

Other Stops for UA 1239