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(QF) Qantas 4571 On-time Performance Rating

Date Range:

15-Aug-2018 to 15-Oct-2018

(IAD) Washington Dulles International Airport

Dulles, VA, US

(DFW) Dallas/Fort Worth International Airport

Dallas, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
67%
Late
5
9%
Very Late
2
4%
Excessive
8
15%
Cancelled
3
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
28
Codeshares
54
Average Delay (min.)
32
Standard Deviation
42.8
Min
0
Max
158

QF 4571 On-time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 67%
Average Delay Time 32 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 32 min
This flight has an average delay of 32 minutes with a standard deviation of 42.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.