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(UA) United Airlines 4790 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(CLT) Charlotte Douglas International Airport

Charlotte, NC, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
83%
Late
4
8%
Very Late
0
0%
Excessive
2
4%
Cancelled
3
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
15
Codeshares
52
Average Delay (min.)
20.8
Standard Deviation
34.2
Min
0
Max
138

UA 4790 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 83%
Average Delay Time 20.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 20.8 min
This flight has an average delay of 20.8 minutes with a standard deviation of 34.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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