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(UA) United Airlines 4181 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
94%
Late
1
3%
Very Late
1
3%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
8
Codeshares
34
Average Delay (min.)
10.625
Standard Deviation
9.9
Min
0
Max
32

UA 4181 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 94%
Average Delay Time 10.625 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. 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
4.4 of 5
Good
Average Delay Time 10.625 min
This flight has an average delay of 10.625 minutes with a standard deviation of 9.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.

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