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(UA) United Airlines 4227 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-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
30
77%
Late
2
5%
Very Late
1
3%
Excessive
5
13%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
15
Codeshares
38
Average Delay (min.)
59.53333333333333
Standard Deviation
82.9
Min
0
Max
261

UA 4227 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 79%
Average Delay Time 59.53333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 59.53333333333333 min
This flight has an average delay of 59.53333333333333 minutes with a standard deviation of 82.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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