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(BA) British Airways 4857 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(MBJ) Sangster International Airport

Montego Bay, JM

(MIA) Miami International Airport

Miami, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
78%
Late
3
8%
Very Late
1
3%
Excessive
4
10%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
40
Total Delays ( > 1 min )
11
Codeshares
40
Average Delay (min.)
72.18181818181819
Standard Deviation
90.5
Min
0
Max
274

BA 4857 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 78%
Average Delay Time 72.18181818181819 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 72.18181818181819 min
This flight has an average delay of 72.18181818181819 minutes with a standard deviation of 90.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.