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(UA) United Airlines 4589 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(DAY) James M Cox Dayton International Airport

Dayton, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
70%
Late
4
7%
Very Late
3
6%
Excessive
4
7%
Cancelled
4
7%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
18
Codeshares
53
Average Delay (min.)
64.61111111111111
Standard Deviation
141.3
Min
0
Max
615

UA 4589 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 72%
Average Delay Time 64.61111111111111 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% 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
0.1 of 5
Very Poor
Average Delay Time 64.61111111111111 min
This flight has an average delay of 64.61111111111111 minutes with a standard deviation of 141.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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