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(IB) Iberia 4121 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
67%
Late
3
25%
Very Late
0
0%
Excessive
1
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
5
Codeshares
12
Average Delay (min.)
30.2
Standard Deviation
28.9
Min
0
Max
80

IB 4121 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 67%
Average Delay Time 30.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 30.2 min
This flight has an average delay of 30.2 minutes with a standard deviation of 28.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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