Best Time to Fly MSY to LGA: On-Time Stats by Hour & Airline
Louis Armstrong New Orleans International → LaGuardia
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 71.3% of New Orleans (MSY) to New York (LGA) flights arrived on time (1,420 scheduled flights). That is 6.3 points below the national average of 77.6%.
Among 3 airlines, Delta Air Lines led with 75.9% on time and American Airlines was last with 59.8%.
Over 24 months, Saturday was the most reliable day (81% on time) and June the worst month (58%).
The cancellation rate was 3.7% (US average 1.8%).
MSY to LGA 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 |
|---|---|---|---|---|
| Delta Air Lines | 75.9% | 96 min | 4.9% | 718 |
| Southwest Airlines | 74.1% | 53 min | 2.1% | 333 |
| American Airlines | 59.8% | 97 min | 2.9% | 345 |
| Republic Airways | Limited data | 20 | ||
| Frontier Airlines | Limited data | 4 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSY to LGA
On-time arrival % by scheduled departure hour (local time), 2,798 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 95.1% | 1.2% | 83 |
| 7am–8am | 92.2% | 1.1% | 91 |
| 8am–9am | 83.6% | 1.8% | 56 |
| 9am–10am | 72.8% | 0.8% | 128 |
| 10am–11am | 81.6% | 3.6% | 356 |
| 11am–12pm | 80.7% | 3.3% | 333 |
| 12pm–1pm | 72.5% | 2.9% | 380 |
| 1pm–2pm | 61.3% | 6.1% | 33 |
| 2pm–3pm | 62.9% | 3.2% | 278 |
| 3pm–4pm | 77.2% | 1.0% | 103 |
| 4pm–5pm | Limited data | 13 | |
| 5pm–6pm | 61.2% | 2.6% | 339 |
| 6pm–7pm | 65.3% | 2.5% | 321 |
| 7pm–8pm | 66.4% | 4.9% | 284 |
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 LGA
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) | 95.9% | +21.8 pts | 0.0% | 49 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.1% | -4.1 pts | 3.6% | 111 |
| Summer peak (Jun 15 - Aug 15) | 62.4% | -11.8 pts | 4.1% | 461 |
| All other days | 74.2% | — | 2.8% | 2,177 |
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).