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(UA) United Airlines 4227 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-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
50
89%
Late
0
0%
Very Late
1
2%
Excessive
1
2%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
7
Codeshares
56
Average Delay (min.)
56.57142857142857
Standard Deviation
119.2
Min
0
Max
326

UA 4227 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 89%
Average Delay Time 56.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 56.57142857142857 min
This flight has an average delay of 56.57142857142857 minutes with a standard deviation of 119.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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