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(IB) Iberia 4027 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
44
83%
Late
4
8%
Very Late
0
0%
Excessive
1
2%
Cancelled
2
4%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
9
Codeshares
51
Average Delay (min.)
21
Standard Deviation
18.7
Min
0
Max
66

IB 4027 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 86%
Average Delay Time 21 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 83% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. 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
3.6 of 5
Good
Average Delay Time 21 min
This flight has an average delay of 21 minutes with a standard deviation of 18.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.