(UA) United Airlines 4015 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(CMH) John Glenn Columbus International Airport

Columbus, OH, US

(IAD) Washington Dulles International Airport

Dulles, VA, 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.)

83.33333333333333

Standard Deviation

73.1

Min

Max

158

UA 4015 On-Time Performance Details

Overall Rating

2.6 of 5

Average

Percentage On-Time 90%

Average Delay Time 83.33333333333333 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.

On-Time Performance Rating

4.7 of 5

Very Good

Percentage On-Time 90%

This flight has an on-time performance of 90%. 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

0.4 of 5

Very Poor

Average Delay Time 83.33333333333333 min

This flight has an average delay of 83.33333333333333 minutes with a standard deviation of 73.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.