(UA) United Airlines 337 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

89%

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.)

99.33333333333333

Standard Deviation

38.9

Min

Max

141

UA 337 On-Time Performance Details

Overall Rating

2.4 of 5

Average

Percentage On-Time 89%

Average Delay Time 99.33333333333333 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

4.7 of 5

Very Good

Percentage On-Time 89%

This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.

Delay Performance

0.1 of 5

Very Poor

Average Delay Time 99.33333333333333 min

This flight has an average delay of 99.33333333333333 minutes with a standard deviation of 38.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.