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(UA) United Airlines 4420 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(EWR) Newark Liberty International Airport

Newark, NJ, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
84%
Late
2
6%
Very Late
1
3%
Excessive
2
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
7
Codeshares
31
Average Delay (min.)
73
Standard Deviation
110.2
Min
0
Max
315

UA 4420 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 84%
Average Delay Time 73 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 49% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 73 min
This flight has an average delay of 73 minutes with a standard deviation of 110.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.

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