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Route Reliability

St. Petersburg → PSM

PIE–PSM · 1,239 miles · St. Pete–Clearwater International Airport to PSM Airport

84
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
3 min early
Average arrival delay
0%
Cancelled
41
Flights in the data

Data through May 2026.

Allegiant Air is the only airline in this data on this route, arriving on time 76% of the time across 41 flights. No comparison to make.

What the data says

Morning-you made the right choice.

PIE–PSM flights departing between 6–9 AM arrived on time 95% of the time, versus 30% between 3–6 PM.

Wednesdays have been rough.

PIE–PSM flights arrived on time 88% of the time on Saturdays and just 53% on Wednesdays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon—(5 flights)
  • Tue—(0 flights)
  • Wed53%(15 flights)
  • Thu—(0 flights)
  • Fri—(5 flights)
  • Sat88%(16 flights)
  • Sun—(0 flights)
On-time by departure window
  • 6–9 AM95%(21 flights)
  • 9 AM–12 PM—(7 flights)
  • 12–3 PM—(3 flights)
  • 3–6 PM30%(10 flights)

Same trip, other airports

Keep nerding

Based on 41 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.