Best Time to Fly BOS to LGA: On-Time Stats by Hour & Airline
Logan International → LaGuardia
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.2% of Boston (BOS) to New York (LGA) flights arrived on time (7,342 scheduled flights). That is in line with the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 90.4% on time and Republic Airways was last with 76.2%.
Over 24 months, Saturday was the most reliable day (84% on time) and July the worst month (72%).
The cancellation rate was 5.8% (US average 1.8%).
BOS 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 | 90.4% | 121 min | 4.7% | 514 |
| Republic Airways | 76.2% | 75 min | 5.9% | 6,828 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOS to LGA
On-time arrival % by scheduled departure hour (local time), 14,488 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 1 | |
| 6am–7am | 93.8% | 2.5% | 1,295 |
| 7am–8am | 92.3% | 3.8% | 915 |
| 8am–9am | 87.2% | 2.6% | 1,071 |
| 9am–10am | 89.7% | 3.5% | 752 |
| 10am–11am | 86.2% | 2.2% | 1,038 |
| 11am–12pm | 86.2% | 2.8% | 820 |
| 12pm–1pm | 81.1% | 2.3% | 1,062 |
| 1pm–2pm | 80.0% | 2.7% | 989 |
| 2pm–3pm | 79.1% | 4.9% | 944 |
| 3pm–4pm | 76.2% | 4.4% | 725 |
| 4pm–5pm | 66.5% | 6.5% | 944 |
| 5pm–6pm | 71.8% | 6.0% | 1,042 |
| 6pm–7pm | 69.7% | 7.9% | 872 |
| 7pm–8pm | 67.9% | 8.3% | 1,019 |
| 8pm–9pm | 65.5% | 7.4% | 760 |
| 9pm–10pm | 57.8% | 4.8% | 189 |
| 10pm–11pm | 75.6% | 18.0% | 50 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BOS 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) | 88.6% | +7.8 pts | 0.0% | 245 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.6% | -6.2 pts | 7.0% | 199 |
| Summer peak (Jun 15 - Aug 15) | 74.8% | -6.0 pts | 9.1% | 2,539 |
| All other days | 80.8% | — | 3.5% | 11,505 |
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).