background

(BA) British Airways 4639 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(KMQ) Komatsu Airport

Komatsu, JP

(HND) Tokyo Haneda International Airport

Tokyo, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
52
85%
Late
3
5%
Very Late
1
2%
Excessive
1
2%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
23
Codeshares
61
Average Delay (min.)
11.782608695652174
Standard Deviation
13.6
Min
0
Max
56

BA 4639 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 85%
Average Delay Time 11.782608695652174 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 95% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 11.782608695652174 min
This flight has an average delay of 11.782608695652174 minutes with a standard deviation of 13.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.