(UA) United Airlines 4401 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(GSO) Piedmont Triad International Airport

Greensboro/High Point, NC, 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.)

60.333333333333336

Standard Deviation

96.7

Min

Max

172

UA 4401 On-Time Performance Details

Overall Rating

2.9 of 5

Average

Percentage On-Time 89%

Average Delay Time 60.333333333333336 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.

On-Time Performance Rating

4.5 of 5

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 90% of other flights.

Delay Performance

1.2 of 5

Poor

Average Delay Time 60.333333333333336 min

This flight has an average delay of 60.333333333333336 minutes with a standard deviation of 96.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.