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(UA) United Airlines 4270 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
74%
Late
1
3%
Very Late
2
5%
Excessive
3
8%
Cancelled
4
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
15
Codeshares
39
Average Delay (min.)
42.6
Standard Deviation
65.7
Min
0
Max
229

UA 4270 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 74%
Average Delay Time 42.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 42.6 min
This flight has an average delay of 42.6 minutes with a standard deviation of 65.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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