background

(TP) TAP Air Portugal 4257 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
78%
Late
4
7%
Very Late
0
0%
Excessive
8
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
19
Codeshares
55
Average Delay (min.)
43.78947368421053
Standard Deviation
45.5
Min
0
Max
168

TP 4257 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 78%
Average Delay Time 43.78947368421053 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 43.78947368421053 min
This flight has an average delay of 43.78947368421053 minutes with a standard deviation of 45.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.