(UA) United Airlines 4456 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(BTV) Patrick Leahy Burlington International Airport

Burlington, VT, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)

On-Time

43%

Late

10%

Very Late

Excessive

43%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

47.53333333333333

Standard Deviation

32.2

Min

Max

UA 4456 On-Time Performance Details

Overall Rating

0.4 of 5

Very Poor

Percentage On-Time 43%

Average Delay Time 47.53333333333333 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 6% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 43%

This flight has an on-time performance of 43%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.

Delay Performance

0.7 of 5

Poor

Average Delay Time 47.53333333333333 min

This flight has an average delay of 47.53333333333333 minutes with a standard deviation of 32.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.