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(UA) United Airlines 4790 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-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
37
82%
Late
3
7%
Very Late
1
2%
Excessive
4
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
17
Codeshares
45
Average Delay (min.)
39.705882352941174
Standard Deviation
59.4
Min
0
Max
188

UA 4790 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 82%
Average Delay Time 39.705882352941174 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 39.705882352941174 min
This flight has an average delay of 39.705882352941174 minutes with a standard deviation of 59.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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