Best Time to Fly SAT to MSY: On-Time Stats by Hour & Airline
San Antonio International → Louis Armstrong New Orleans International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.5% of San Antonio (SAT) to New Orleans (MSY) flights arrived on time (346 scheduled flights). That is 5.9 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (89% on time) and July the worst month (71%).
The cancellation rate was 0.3% (US average 1.8%).
SAT to MSY 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 | 83.5% | 40 min | 0.3% | 346 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAT to MSY
On-time arrival % by scheduled departure hour (local time), 751 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 1 | |
| 7am–8am | Limited data | 13 | |
| 8am–9am | Limited data | 28 | |
| 9am–10am | Limited data | 21 | |
| 10am–11am | 89.1% | 0.0% | 55 |
| 11am–12pm | 93.6% | 0.0% | 125 |
| 12pm–1pm | 86.7% | 1.2% | 167 |
| 1pm–2pm | 81.9% | 0.0% | 160 |
| 2pm–3pm | 83.3% | 0.0% | 85 |
| 3pm–4pm | 78.0% | 0.0% | 41 |
| 4pm–5pm | Limited data | 17 | |
| 5pm–6pm | Limited data | 18 | |
| 6pm–7pm | Limited data | 10 | |
| 7pm–8pm | Limited data | 2 | |
| 8pm–9pm | Limited data | 1 | |
| 9pm–10pm | Limited data | 5 | |
| 10pm–11pm | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAT to MSY
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 | 15 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -8.0 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 75.5% | -12.6 pts | 0.0% | 110 |
| All other days | 88.0% | — | 0.5% | 596 |
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).