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

Date Range:

01-Jan-2026 to 28-Feb-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
31
55%
Late
7
13%
Very Late
1
2%
Excessive
13
23%
Cancelled
4
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
32
Codeshares
56
Average Delay (min.)
52
Standard Deviation
72.4
Min
0
Max
357

TP 4459 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 55%
Average Delay Time 52 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 55%
This flight has an on-time performance of 55%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 52 min
This flight has an average delay of 52 minutes with a standard deviation of 72.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.