Best Time to Fly MSY to BOS: On-Time Stats by Hour & Airline
Louis Armstrong New Orleans International → Logan International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 62.9% of New Orleans (MSY) to Boston (BOS) flights arrived on time (853 scheduled flights). That is 14.8 points below the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 64.6% on time and JetBlue was last with 61.6%.
Over 24 months, Saturday was the most reliable day (78% on time) and September the worst month (50%).
The cancellation rate was 2.1% (US average 1.8%).
MSY to BOS 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 | 64.6% | 76 min | 2.1% | 372 |
| JetBlue | 61.6% | 87 min | 2.1% | 471 |
| American Airlines | Limited data | 2 | ||
| Spirit Airlines | Limited data | 8 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSY to BOS
On-time arrival % by scheduled departure hour (local time), 1,930 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 20 | |
| 6am–7am | 77.6% | 2.6% | 78 |
| 7am–8am | 90.0% | 0.0% | 30 |
| 8am–9am | Limited data | 24 | |
| 9am–10am | 77.1% | 0.0% | 48 |
| 10am–11am | 75.6% | 1.6% | 121 |
| 11am–12pm | 76.7% | 2.6% | 154 |
| 12pm–1pm | 62.2% | 1.1% | 174 |
| 1pm–2pm | 72.3% | 0.0% | 112 |
| 2pm–3pm | 62.9% | 1.8% | 722 |
| 3pm–4pm | 69.8% | 1.5% | 131 |
| 4pm–5pm | 84.2% | 5.0% | 60 |
| 5pm–6pm | Limited data | 26 | |
| 6pm–7pm | 51.2% | 2.4% | 82 |
| 7pm–8pm | 72.0% | 1.8% | 109 |
| 8pm–9pm | 89.7% | 0.0% | 39 |
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 BOS
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) | 82.0% | +11.1 pts | 0.0% | 39 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.0% | +2.1 pts | 4.3% | 93 |
| Summer peak (Jun 15 - Aug 15) | 53.9% | -17.0 pts | 1.2% | 244 |
| All other days | 70.9% | — | 1.7% | 1,554 |
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).