Best Time to Fly MSY to SAT: On-Time Stats by Hour & Airline
Louis Armstrong New Orleans International → San Antonio International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.8% of New Orleans (MSY) to San Antonio (SAT) flights arrived on time (346 scheduled flights). That is 0.8 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
November has been the best month (90% on time) and Friday the weakest day of the week (69%).
0.3% of flights were cancelled, versus 1.8% nationally.
MSY to SAT 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 | 76.8% | 50 min | 0.3% | 346 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSY to SAT
On-time arrival % by scheduled departure hour (local time), 752 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 1 | |
| 6am–7am | Limited data | 12 | |
| 7am–8am | Limited data | 1 | |
| 9am–10am | 91.7% | 0.0% | 36 |
| 10am–11am | Limited data | 16 | |
| 11am–12pm | Limited data | 10 | |
| 12pm–1pm | 89.1% | 0.0% | 46 |
| 1pm–2pm | 81.8% | 1.6% | 190 |
| 2pm–3pm | 76.4% | 0.0% | 161 |
| 3pm–4pm | 68.9% | 0.0% | 106 |
| 4pm–5pm | 81.7% | 1.2% | 83 |
| 5pm–6pm | 71.2% | 0.0% | 66 |
| 6pm–7pm | Limited data | 9 | |
| 7pm–8pm | Limited data | 2 | |
| 8pm–9pm | Limited data | 5 | |
| 9pm–10pm | Limited data | 8 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MSY to SAT
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) | 76.7% | -4.4 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 64.5% | -16.6 pts | 0.0% | 110 |
| All other days | 81.1% | — | 0.7% | 597 |
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).