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(UA) United Airlines 1230 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(DEN) Denver International Airport

Denver, CO, US

(MIA) Miami International Airport

Miami, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
78%
Late
5
12%
Very Late
0
0%
Excessive
3
7%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
28
Standard Deviation
35.2
Min
0
Max
113

UA 1230 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 78%
Average Delay Time 28 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 81% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 28 min
This flight has an average delay of 28 minutes with a standard deviation of 35.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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