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(UA) United Airlines 4789 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(CRW) West Virginia International Yeager Airport

Charleston, WV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
64%
Late
1
9%
Very Late
0
0%
Excessive
3
27%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
4
Codeshares
11
Average Delay (min.)
85
Standard Deviation
51.2
Min
0
Max
137

UA 4789 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 85 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
0.7 of 5
Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 85 min
This flight has an average delay of 85 minutes with a standard deviation of 51.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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