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(UA) United Airlines 4509 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(FAR) Hector International Airport

Fargo, ND, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
46%
Late
3
11%
Very Late
3
11%
Excessive
6
21%
Cancelled
2
7%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
21
Codeshares
27
Average Delay (min.)
43.285714285714285
Standard Deviation
53.9
Min
0
Max
219

UA 4509 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 48%
Average Delay Time 43.285714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 48%
This flight has an on-time performance of 48%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 43.285714285714285 min
This flight has an average delay of 43.285714285714285 minutes with a standard deviation of 53.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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