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(UA) United Airlines 4666 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(CPR) Casper - Natrona County International Airport

Casper, WY, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
57%
Late
3
9%
Very Late
5
14%
Excessive
5
14%
Cancelled
2
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
20
Codeshares
35
Average Delay (min.)
49.75
Standard Deviation
65.6
Min
0
Max
282

UA 4666 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 57%
Average Delay Time 49.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 57%
This flight has an on-time performance of 57%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 49.75 min
This flight has an average delay of 49.75 minutes with a standard deviation of 65.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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