(UA) United Airlines 591 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(HDN) Yampa Valley Regional Airport

Hayden, CO, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)

On-Time

83%

Late

Very Late

Excessive

11%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

70.25

Standard Deviation

70.9

Min

Max

137

UA 591 On-Time Performance Details

Overall Rating

2.4 of 5

Average

Percentage On-Time 83%

Average Delay Time 70.25 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.

On-Time Performance Rating

4.2 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 84% of other flights.

Delay Performance

0.6 of 5

Poor

Average Delay Time 70.25 min

This flight has an average delay of 70.25 minutes with a standard deviation of 70.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.