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(UA) United Airlines 4227 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(AVP) Wilkes-Barre Scranton International Airport

Wilkes-Barre, PA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
83%
Late
4
7%
Very Late
0
0%
Excessive
6
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
13
Codeshares
58
Average Delay (min.)
59.23076923076923
Standard Deviation
59.3
Min
0
Max
179

UA 4227 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 83%
Average Delay Time 59.23076923076923 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 59.23076923076923 min
This flight has an average delay of 59.23076923076923 minutes with a standard deviation of 59.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.