Best Time to Fly SAN to MSY: On-Time Stats by Hour & Airline
San Diego International → Louis Armstrong New Orleans International
Data through July 2026 · Last updated October 18, 2026
342 flights were scheduled from San Diego (SAN) to New Orleans (MSY) in the last 12 months, and 71.6% of those that flew arrived on time, 6.0 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
February has been the best month (83% on time) and Thursday the weakest day of the week (57%).
0.9% of flights were cancelled, versus 1.8% nationally.
SAN 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 | 71.6% | 49 min | 0.9% | 342 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAN to MSY
On-time arrival % by scheduled departure hour (local time), 682 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 79.1% | 0.7% | 135 |
| 9am–10am | 75.0% | 0.0% | 65 |
| 10am–11am | 95.5% | 0.0% | 44 |
| 11am–12pm | 73.5% | 2.4% | 124 |
| 12pm–1pm | 61.8% | 1.3% | 77 |
| 1pm–2pm | 52.9% | 0.0% | 51 |
| 2pm–3pm | 60.5% | 0.0% | 114 |
| 3pm–4pm | 50.0% | 0.0% | 32 |
| 4pm–5pm | Limited data | 9 | |
| 5pm–6pm | Limited data | 27 | |
| 6pm–7pm | Limited data | 4 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAN 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 | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | 61.3% | -11.1 pts | 0.0% | 112 |
| All other days | 72.3% | — | 0.8% | 528 |
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).