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(UA) United Airlines 4788 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(DEN) Denver International Airport

Denver, CO, US

(RAP) Rapid City Regional Airport

Rapid City, SD, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
81%
Late
0
0%
Very Late
0
0%
Excessive
6
19%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
12
Codeshares
32
Average Delay (min.)
63.166666666666664
Standard Deviation
69.2
Min
0
Max
195

UA 4788 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 81%
Average Delay Time 63.166666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 33% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 63.166666666666664 min
This flight has an average delay of 63.166666666666664 minutes with a standard deviation of 69.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.