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(QF) Qantas 4578 On-time Performance Rating

Date Range:

15-Nov-2018 to 15-Jan-2019

(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
48
76%
Late
3
5%
Very Late
4
6%
Excessive
5
8%
Cancelled
2
3%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
27
Codeshares
62
Average Delay (min.)
47
Standard Deviation
133.8
Min
2
Max
709

QF 4578 On-time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 77%
Average Delay Time 47 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-time Performance Rating
2.9 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 47 min
This flight has an average delay of 47 minutes with a standard deviation of 133.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.