background

(BA) British Airways 4577 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(HKG) Hong Kong International Airport

Hong Kong, HK

(MEL) Melbourne Tullamarine Airport

Melbourne, VIC, AU

On-Time Performance Chart

(using rounded numbers)
On-Time
44
72%
Late
11
18%
Very Late
3
5%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
43
Codeshares
61
Average Delay (min.)
18.930232558139537
Standard Deviation
25.4
Min
0
Max
105

BA 4577 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 72%
Average Delay Time 18.930232558139537 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 58% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. 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
4.7 of 5
Very Good
Average Delay Time 18.930232558139537 min
This flight has an average delay of 18.930232558139537 minutes with a standard deviation of 25.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.