(UA) United Airlines 1233 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(DEN) Denver International Airport

Denver, CO, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)

On-Time

88%

Late

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.)

32.588235294117645

Standard Deviation

62.9

Min

Max

260

UA 1233 On-Time Performance Details

Overall Rating

4.0 of 5

Good

Percentage On-Time 88%

Average Delay Time 32.588235294117645 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.

On-Time Performance Rating

5.0 of 5

Very Good

Percentage On-Time 88%

This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.

Delay Performance

2.9 of 5

Average

Average Delay Time 32.588235294117645 min

This flight has an average delay of 32.588235294117645 minutes with a standard deviation of 62.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.