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(TP) TAP Air Portugal 4434 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
64%
Late
2
6%
Very Late
1
3%
Excessive
7
21%
Cancelled
2
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
15
Codeshares
33
Average Delay (min.)
49.53333333333333
Standard Deviation
49.4
Min
0
Max
175

TP 4434 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 64%
Average Delay Time 49.53333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 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 5% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 49.53333333333333 min
This flight has an average delay of 49.53333333333333 minutes with a standard deviation of 49.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.