Best Time to Fly LGA to BOS: On-Time Stats by Hour & Airline
LaGuardia → Logan International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.7% of New York (LGA) to Boston (BOS) flights arrived on time (7,343 scheduled flights). That is 3.9 points below the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 74.4%, while Republic Airways trailed at 73.6%.
January has been the best month (85% on time) and Thursday the weakest day of the week (73%).
5.4% of flights were cancelled, versus 1.8% nationally.
LGA 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 | 74.4% | 88 min | 3.9% | 513 |
| Republic Airways | 73.6% | 68 min | 5.5% | 6,830 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LGA to BOS
On-time arrival % by scheduled departure hour (local time), 14,494 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 93.1% | 3.4% | 1,342 |
| 7am–8am | 91.8% | 2.9% | 719 |
| 8am–9am | 87.0% | 2.7% | 934 |
| 9am–10am | 87.0% | 1.5% | 1,053 |
| 10am–11am | 83.8% | 2.5% | 902 |
| 11am–12pm | 84.5% | 1.8% | 774 |
| 12pm–1pm | 81.5% | 2.5% | 1,046 |
| 1pm–2pm | 77.3% | 2.6% | 875 |
| 2pm–3pm | 69.9% | 3.3% | 658 |
| 3pm–4pm | 68.0% | 2.9% | 1,087 |
| 4pm–5pm | 65.4% | 5.2% | 975 |
| 5pm–6pm | 68.6% | 6.8% | 1,132 |
| 6pm–7pm | 65.3% | 7.5% | 934 |
| 7pm–8pm | 65.2% | 4.0% | 500 |
| 8pm–9pm | 68.0% | 7.5% | 1,077 |
| 9pm–10pm | 63.3% | 10.0% | 478 |
| 10pm–11pm | Limited data | 8 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LGA 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) | 84.0% | +5.6 pts | 0.0% | 244 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.6% | -8.8 pts | 9.1% | 199 |
| Summer peak (Jun 15 - Aug 15) | 71.4% | -7.0 pts | 7.8% | 2,541 |
| All other days | 78.4% | — | 3.3% | 11,510 |
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).