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(QF) Qantas 4577 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(PIT) Pittsburgh International Airport

Pittsburgh, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
69%
Late
4
13%
Very Late
2
6%
Excessive
4
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
14
Codeshares
32
Average Delay (min.)
51.142857142857146
Standard Deviation
80.3
Min
0
Max
312

QF 4577 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 69%
Average Delay Time 51.142857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 51.142857142857146 min
This flight has an average delay of 51.142857142857146 minutes with a standard deviation of 80.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.