New Orleans (MSY) to Boston (BOS): On-Time Performance
Data through July 2026
The calendar drives reliability on MSY–BOS. January 2025 flights landed on schedule 91% of the time, but September 2025 dropped to 31% — a gap of 60 points. Across the full period the route averages 69% on-time against a national 78%. Morning departures also hold up better than evening ones (79% vs 68%), which matters most in the rough months.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 30 min
- completed flights
- Cancelled
- 1.8%
- Flights/day
- 2.3
- last 12 months
- Duration
- 3h 21m
- scheduled
- Distance
- 1,367 mi
Best airline from MSY to BOS
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 82% | 13 min | 2.2% | 178 |
| JetBlue Airways | 69% | 29 min | 1.6% | 1,036 |
| Delta Air Lines | 67% | 34 min | 1.8% | 772 |
Monthly on-time trend
Best time to fly from MSY to BOS
Aim for departures around 7 a.m. (90% on-time); avoid 6 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 62% | 40 min |
| Tuesday | 73% | 28 min |
| Wednesday | 73% | 19 min |
| Thursday | 64% | 34 min |
| Friday | 72% | 23 min |
| Saturdaybest | 78% | 26 min |
| Sunday | 65% | 37 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations30%
- National airspace system33%
- Weather2%
Frequently asked questions
- How often are flights from MSY to BOS delayed?
- 31% of MSY–BOS 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 30 minutes.
- Which airline is most reliable from MSY to BOS?
- Spirit Airlines has the best on-time record on this route at 82%, based on 178 flights. 3 airlines flew MSY–BOS frequently enough to compare in this period.
- What is the best time of day to fly from MSY to BOS?
- Departures around 7 a.m. have the best record (90% on-time), while departures around 6 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MSY to BOS?
- The scheduled MSY–BOS flight time averages 3h 21m over 1,367 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are MSY to BOS flights cancelled?
- 1.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from MSY to BOS?
- September 2025 was the roughest month in this dataset, with only 31% of arrivals on time. The best was January 2025 at 91%. If your dates are flexible, that 60-point gap is worth planning around.
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Based on 1,992 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.