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(UA) United Airlines 4520 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(SYR) Syracuse Hancock International Airport

Syracuse, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
44%
Late
3
19%
Very Late
1
6%
Excessive
5
31%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
9
Codeshares
16
Average Delay (min.)
144.11111111111111
Standard Deviation
236.9
Min
0
Max
764

UA 4520 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 44%
Average Delay Time 144.11111111111111 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 44%
This flight has an on-time performance of 44%. 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 144.11111111111111 min
This flight has an average delay of 144.11111111111111 minutes with a standard deviation of 236.9 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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