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(BA) British Airways 511 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(LIS) Lisbon Humberto Delgado Airport

Lisbon, PT

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
19
70%
Late
4
15%
Very Late
4
15%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
20.76923076923077
Standard Deviation
10.9
Min
0
Max
38

BA 511 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 70%
Average Delay Time 20.76923076923077 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 20.76923076923077 min
This flight has an average delay of 20.76923076923077 minutes with a standard deviation of 10.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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