(UA) United Airlines 4393 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(RDU) Raleigh-Durham International Airport

Raleigh/Durham, NC, US

On-Time Performance Chart

(using rounded numbers)

On-Time

Late

Very Late

Excessive

100%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

25.5

Min

Max

100

UA 4393 On-Time Performance Details

Overall Rating

0.3 of 5

Very Poor

Percentage On-Time 0%

Average Delay Time 82 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 4% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 0%

This flight has an on-time performance of 0%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.

Delay Performance

0.5 of 5

Very Poor

Average Delay Time 82 min

This flight has an average delay of 82 minutes with a standard deviation of 25.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.