background

(UA) United Airlines 643 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(SNA) John Wayne Airport

Santa Ana, CA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
58%
Late
7
16%
Very Late
2
4%
Excessive
8
18%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
26
Codeshares
0
Average Delay (min.)
44.38461538461539
Standard Deviation
64.3
Min
0
Max
255

UA 643 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 61%
Average Delay Time 44.38461538461539 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 44.38461538461539 min
This flight has an average delay of 44.38461538461539 minutes with a standard deviation of 64.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

Other Stops for UA 643