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(UA) United Airlines 1233 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-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
46
70%
Late
7
11%
Very Late
1
2%
Excessive
6
9%
Cancelled
1
2%
Diverted
5
8%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
24
Codeshares
0
Average Delay (min.)
41.666666666666664
Standard Deviation
64.8
Min
0
Max
285

UA 1233 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 75%
Average Delay Time 41.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 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 54% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 41.666666666666664 min
This flight has an average delay of 41.666666666666664 minutes with a standard deviation of 64.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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