(UA) United Airlines 1230 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)

On-Time

73%

Late

Very Late

Excessive

12%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

43.92307692307692

Standard Deviation

52.6

Min

Max

161

UA 1230 On-Time Performance Details

Overall Rating

1.9 of 5

Average

Percentage On-Time 75%

Average Delay Time 43.92307692307692 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% 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

1.2 of 5

Poor

Average Delay Time 43.92307692307692 min

This flight has an average delay of 43.92307692307692 minutes with a standard deviation of 52.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.