(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

80%

Late

10%

Very Late

Excessive

10%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

81.66666666666667

Standard Deviation

121.6

Min

Max

315

UA 4420 On-Time Performance Details

Overall Rating

2.2 of 5

Average

Percentage On-Time 80%

Average Delay Time 81.66666666666667 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.

On-Time Performance Rating

4.2 of 5

Good

Percentage On-Time 80%

This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.

Delay Performance

0.2 of 5

Very Poor

Average Delay Time 81.66666666666667 min

This flight has an average delay of 81.66666666666667 minutes with a standard deviation of 121.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.