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(TP) TAP Air Portugal 4258 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
27
71%
Late
4
11%
Very Late
0
0%
Excessive
5
13%
Cancelled
2
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
17
Codeshares
38
Average Delay (min.)
45.94117647058823
Standard Deviation
80
Min
0
Max
333

TP 4258 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 71%
Average Delay Time 45.94117647058823 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 45.94117647058823 min
This flight has an average delay of 45.94117647058823 minutes with a standard deviation of 80 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.