(UA) United Airlines 1909 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

93%

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.)

11.333333333333334

Standard Deviation

13.7

Min

Max

UA 1909 On-Time Performance Details

Overall Rating

4.4 of 5

Good

Percentage On-Time 93%

Average Delay Time 11.333333333333334 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.

On-Time Performance Rating

4.8 of 5

Very Good

Percentage On-Time 93%

This flight has an on-time performance of 93%. 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

3.9 of 5

Good

Average Delay Time 11.333333333333334 min

This flight has an average delay of 11.333333333333334 minutes with a standard deviation of 13.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.