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(QF) Qantas 4571 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-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
32
67%
Late
7
15%
Very Late
4
8%
Excessive
4
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
35
Codeshares
47
Average Delay (min.)
24
Standard Deviation
33.5
Min
0
Max
174

QF 4571 On-time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 68%
Average Delay Time 24 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.
On-time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 24 min
This flight has an average delay of 24 minutes with a standard deviation of 33.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.