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(UA) United Airlines 4812 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ALB) Albany International Airport

Albany, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
47
77%
Late
1
2%
Very Late
1
2%
Excessive
12
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
15
Codeshares
61
Average Delay (min.)
161.26666666666668
Standard Deviation
115.3
Min
0
Max
421

UA 4812 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 77%
Average Delay Time 161.26666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 161.26666666666668 min
This flight has an average delay of 161.26666666666668 minutes with a standard deviation of 115.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.