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(UA) United Airlines 4339 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SYR) Syracuse Hancock International Airport

Syracuse, NY, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
3
33%
Late
3
33%
Very Late
0
0%
Excessive
3
33%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
7
Codeshares
9
Average Delay (min.)
122.71428571428571
Standard Deviation
143.6
Min
0
Max
355

UA 4339 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 33%
Average Delay Time 122.71428571428571 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 33%
This flight has an on-time performance of 33%. 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
0.0 of 5
Very Poor
Average Delay Time 122.71428571428571 min
This flight has an average delay of 122.71428571428571 minutes with a standard deviation of 143.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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