Best Time to Fly PNS to STL: On-Time Stats by Hour & Airline
Pensacola International → St Louis Lambert International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.9% of Pensacola (PNS) to St. Louis (STL) flights arrived on time (216 scheduled flights). That is 7.3 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (97% on time) and Friday the weakest day of the week (80%).
0.5% of flights were cancelled, versus 1.8% nationally.
PNS to STL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 84.9% | 57 min | 0.5% | 216 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PNS to STL
On-time arrival % by scheduled departure hour (local time), 417 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 17 | |
| 9am–10am | 93.5% | 3.1% | 32 |
| 10am–11am | 100.0% | 0.0% | 52 |
| 11am–12pm | 87.5% | 0.0% | 57 |
| 12pm–1pm | 94.7% | 0.0% | 38 |
| 1pm–2pm | 93.7% | 0.0% | 63 |
| 2pm–3pm | 77.5% | 0.0% | 41 |
| 3pm–4pm | Limited data | 14 | |
| 4pm–5pm | 82.3% | 0.0% | 51 |
| 5pm–6pm | Limited data | 13 | |
| 6pm–7pm | 85.3% | 0.0% | 34 |
| 7pm–8pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PNS to STL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 3 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 5 | ||
| Summer peak (Jun 15 - Aug 15) | 86.0% | -2.8 pts | 0.7% | 147 |
| All other days | 88.8% | — | 0.8% | 262 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).