MSY to LAS flight delays & on-time performance
Nonstop flights from Louis Armstrong New Orleans International Airport to Harry Reid International Airport · 1,500 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MSY or LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from New Orleans (MSY) to Las Vegas (LAS) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.1% were cancelled, and 6% arrived an hour or more late.
- Spirit Airlines was the most punctual airline here (86% on time); Southwest Airlines was the least (79%).
- Departures scheduled around 6am did best (94% on time); around 7pm did worst (55%).
- Wednesday was the most reliable day to fly (90% on time) and Thursday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (47%).
Which airline is most on time from MSY to LAS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Spirit Airlines | 86% | 1.3% | 16 min | 3.8% | 79 |
| Southwest Airlines | 79% | 0.0% | 12 min | 5.9% | 747 |
| Frontier Airlines | 52% | 0.0% | 39 min | 28.6% | 21 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am94%133 flights
- 6am94%106 flights
- 7am91%69 flights
- 8am89%45 flights
- 9am92%25 flights
- 12pm100%11 flights
- 1pm78%41 flights
- 2pm60%50 flights
- 3pm80%60 flights
- 4pm41%22 flights
- 5pm75%72 flights
- 7pm55%139 flights
- 8pm52%25 flights
- 9pm82%39 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%0.0% cancelled
- Tuesday89%0.0% cancelled
- Wednesday90%0.0% cancelled
- Thursday71%0.7% cancelled
- Friday74%0.0% cancelled
- Saturday85%0.0% cancelled
- Sunday73%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft47%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion19%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
MSY to LAS: common questions
- How often are MSY to LAS flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from New Orleans to Las Vegas cancelled?
- 0.1% of scheduled flights were cancelled (1 of 847).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 54 min behind schedule on average, and 6.3% of flights were an hour or more late.
- How long is taxi time at MSY?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to MSY — 73% on time
More flights from New Orleans
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MSY → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.