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Portsmouth (PSM) departure delays
434 departures · 4 routes · January 2025 – August 2026
76.8%
Left on time
Within 15 minutes of schedule
0.69%
Cancelled
Share of departures
104 min
When late, late by
Average delayed departure
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Rank
Among graded US airports
What the record says about PSM
PSM runs about as well as the average airport here.
Which airlines run best out of PSM
| Airline | Departures | On time |
|---|---|---|
| Allegiant Air | 434 | 76.3% |
Routes out of PSM
PSM → PGD
Punta Gorda
236 flights · 79.91% on time
C
PSM → SFB
Sanford
141 flights · 69.29% on time
D
PSM → PIE
St. Petersburg
43 flights · 74.42% on time
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PSM → SRQ
Sarasota/Bradenton
14 flights · 92.86% on time
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Common questions
How bad are delays at Portsmouth (PSM)?
76.8% of departures from PSM left within 15 minutes of schedule across 434 flights. That is about average.
How often are flights from PSM cancelled?
0.69% of scheduled departures did not operate.
Month by month
Jul 2025
peak 90
Jun 2026