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(UA) United Airlines 4270 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(MHT) Manchester-Boston Regional Airport

Manchester, NH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
60%
Late
2
10%
Very Late
1
5%
Excessive
3
15%
Cancelled
0
0%
Diverted
2
10%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
9
Codeshares
19
Average Delay (min.)
53.44444444444444
Standard Deviation
72.9
Min
0
Max
230

UA 4270 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 63%
Average Delay Time 53.44444444444444 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 9% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 53.44444444444444 min
This flight has an average delay of 53.44444444444444 minutes with a standard deviation of 72.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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