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(UA) United Airlines 4181 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-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
28
82%
Late
3
9%
Very Late
0
0%
Excessive
3
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
10
Codeshares
34
Average Delay (min.)
55.7
Standard Deviation
102.4
Min
0
Max
338

UA 4181 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 82%
Average Delay Time 55.7 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 55.7 min
This flight has an average delay of 55.7 minutes with a standard deviation of 102.4 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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