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

Date Range:

01-Jul-2026 to 31-Aug-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
27
44%
Late
8
13%
Very Late
5
8%
Excessive
19
31%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
43
Codeshares
61
Average Delay (min.)
72.69767441860465
Standard Deviation
74.2
Min
0
Max
234

TP 4321 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 44%
Average Delay Time 72.69767441860465 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 44%
This flight has an on-time performance of 44%. 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 72.69767441860465 min
This flight has an average delay of 72.69767441860465 minutes with a standard deviation of 74.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.