(UA) United Airlines 4399 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(SYR) Syracuse Hancock International Airport

Syracuse, NY, US

On-Time Performance Chart

(using rounded numbers)

On-Time

75%

Late

Very Late

Excessive

Cancelled

13%

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

13.6

Standard Deviation

Min

Max

UA 4399 On-Time Performance Details

Overall Rating

3.2 of 5

Average

Percentage On-Time 75%

Average Delay Time 13.6 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 63% of all other flights in the FlightStats database.

On-Time Performance Rating

2.5 of 5

Average

Percentage On-Time 75%

This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.

Delay Performance

3.9 of 5

Good

Average Delay Time 13.6 min

This flight has an average delay of 13.6 minutes with a standard deviation of 13 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.