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(TP) TAP Air Portugal 4378 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(SAN) San Diego International Airport

San Diego, CA, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
61%
Late
1
3%
Very Late
4
12%
Excessive
7
21%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
16
Codeshares
33
Average Delay (min.)
50.625
Standard Deviation
49.1
Min
0
Max
194

TP 4378 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 61%
Average Delay Time 50.625 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 6% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 50.625 min
This flight has an average delay of 50.625 minutes with a standard deviation of 49.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.