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(UA) United Airlines 4409 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(BTV) Patrick Leahy Burlington International Airport

Burlington, VT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
74%
Late
1
5%
Very Late
0
0%
Excessive
4
21%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
10
Codeshares
19
Average Delay (min.)
43.6
Standard Deviation
52.2
Min
0
Max
162

UA 4409 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 74%
Average Delay Time 43.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% 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
1.5 of 5
Poor
Average Delay Time 43.6 min
This flight has an average delay of 43.6 minutes with a standard deviation of 52.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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