background

(TP) TAP Air Portugal 4455 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
72%
Late
2
4%
Very Late
1
2%
Excessive
3
6%
Cancelled
9
17%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
13
Codeshares
53
Average Delay (min.)
33.53846153846154
Standard Deviation
43.3
Min
0
Max
153

TP 4455 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 72%
Average Delay Time 33.53846153846154 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 33.53846153846154 min
This flight has an average delay of 33.53846153846154 minutes with a standard deviation of 43.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.