(UA) United Airlines 4541 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(PHL) Philadelphia International Airport

Philadelphia, PA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

74%

Late

16%

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.)

19.181818181818183

Standard Deviation

21.6

Min

Max

UA 4541 On-Time Performance Details

Overall Rating

3.4 of 5

Average

Percentage On-Time 74%

Average Delay Time 19.181818181818183 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 67% of all other flights in the FlightStats database.

On-Time Performance Rating

2.7 of 5

Average

Percentage On-Time 74%

This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.

Delay Performance

4.1 of 5

Good

Average Delay Time 19.181818181818183 min

This flight has an average delay of 19.181818181818183 minutes with a standard deviation of 21.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.