Las Vegas (LAS) to New Orleans (MSY): On-Time Performance
Data through July 2026
When you fly LAS to MSY matters as much as anything else about the booking: the route swung from 89% on-time in January 2025 to just 60% in March 2026. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 68%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 2.3
- last 12 months
- Duration
- 3h 22m
- scheduled
- Distance
- 1,500 mi
Best airline from LAS to MSY
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 78% | 14 min | 0.8% | 478 |
| Southwest Airlines | 75% | 14 min | 0.5% | 1,434 |
Monthly on-time trend
Best time to fly from LAS to MSY
Aim for departures around 6 a.m. (97% on-time); avoid 8 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 12 min |
| Tuesday | 80% | 12 min |
| Wednesdaybest | 82% | 9 min |
| Thursday | 66% | 20 min |
| Friday | 70% | 18 min |
| Saturday | 80% | 9 min |
| Sunday | 75% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft47%
- Airline operations31%
- National airspace system20%
- Weather1%
Frequently asked questions
- How often are flights from LAS to MSY delayed?
- 25% of LAS–MSY flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- Which airline is most reliable from LAS to MSY?
- Spirit Airlines has the best on-time record on this route at 78%, based on 478 flights. 2 airlines flew LAS–MSY frequently enough to compare in this period.
- What is the best time of day to fly from LAS to MSY?
- Departures around 6 a.m. have the best record (97% on-time), while departures around 8 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to MSY?
- The scheduled LAS–MSY flight time averages 3h 22m over 1,500 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are LAS to MSY flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to MSY?
- March 2026 was the roughest month in this dataset, with only 60% of arrivals on time. The best was January 2025 at 89%. If your dates are flexible, that 29-point gap is worth planning around.
Explore related pages
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Related guides
Based on 1,936 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.