(UA) United Airlines 4387 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(ILM) Wilmington International Airport

Wilmington, NC, US

On-Time Performance Chart

(using rounded numbers)

On-Time

76%

Late

12%

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

10.6

Min

Max

UA 4387 On-Time Performance Details

Overall Rating

3.4 of 5

Average

Percentage On-Time 81%

Average Delay Time 27 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.

On-Time Performance Rating

3.6 of 5

Good

Percentage On-Time 81%

This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.

Delay Performance

3.1 of 5

Average

Average Delay Time 27 min

This flight has an average delay of 27 minutes with a standard deviation of 10.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.