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(TP) TAP Air Portugal 4459 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
81%
Late
2
6%
Very Late
3
10%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
12
Codeshares
31
Average Delay (min.)
25.416666666666668
Standard Deviation
25.4
Min
0
Max
93

TP 4459 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 81%
Average Delay Time 25.416666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 61% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 25.416666666666668 min
This flight has an average delay of 25.416666666666668 minutes with a standard deviation of 25.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.