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(UA) United Airlines 4230 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ORF) Norfolk International Airport

Norfolk, VA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
72%
Late
3
8%
Very Late
0
0%
Excessive
4
11%
Cancelled
3
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
11
Codeshares
36
Average Delay (min.)
69.81818181818181
Standard Deviation
105.6
Min
0
Max
358

UA 4230 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 72%
Average Delay Time 69.81818181818181 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 69.81818181818181 min
This flight has an average delay of 69.81818181818181 minutes with a standard deviation of 105.6 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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