(UA) United Airlines 5257 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(ASE) Aspen Pitkin County Airport

Aspen, CO, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

84%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

71.3

Min

Max

217

UA 5257 On-Time Performance Details

Overall Rating

3.1 of 5

Average

Percentage On-Time 84%

Average Delay Time 43 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 60% of all other flights in the FlightStats database.

On-Time Performance Rating

4.4 of 5

Good

Percentage On-Time 84%

This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.

Delay Performance

1.7 of 5

Average

Average Delay Time 43 min

This flight has an average delay of 43 minutes with a standard deviation of 71.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.