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(TP) TAP Air Portugal 4321 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
64%
Late
5
8%
Very Late
4
7%
Excessive
11
19%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
27
Codeshares
59
Average Delay (min.)
65.25925925925925
Standard Deviation
75.2
Min
0
Max
301

TP 4321 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 65.25925925925925 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 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 64%
This flight has an on-time performance of 64%. 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
0.0 of 5
Very Poor
Average Delay Time 65.25925925925925 min
This flight has an average delay of 65.25925925925925 minutes with a standard deviation of 75.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.