(UA) United Airlines 3487 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(CHS) Charleston International Airport

Charleston, SC, US

On-Time Performance Chart

(using rounded numbers)

On-Time

89%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

105.75

Standard Deviation

198.3

Min

Max

403

UA 3487 On-Time Performance Details

Overall Rating

2.5 of 5

Average

Percentage On-Time 90%

Average Delay Time 105.75 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.

On-Time Performance Rating

4.8 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 96% of other flights.

Delay Performance

0.1 of 5

Very Poor

Average Delay Time 105.75 min

This flight has an average delay of 105.75 minutes with a standard deviation of 198.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.