Best Time to Fly BOS to MYR: On-Time Stats by Hour & Airline
Logan International → Myrtle Beach International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.8% of Boston (BOS) to Myrtle Beach (MYR) flights arrived on time (439 scheduled flights). That is 3.8 points below the national average of 77.6%.
Republic Airways was the most punctual of the 3 airlines on the route at 87.5%, while Spirit Airlines trailed at 69.7%.
November has been the best month (92% on time) and Thursday the weakest day of the week (72%).
5.2% of flights were cancelled, versus 1.8% nationally.
BOS to MYR 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 |
|---|---|---|---|---|
| Republic Airways | 87.5% | 39 min | 0.0% | 56 |
| Envoy Air | 84.8% | 33 min | 0.0% | 33 |
| Spirit Airlines | 69.7% | 68 min | 6.3% | 331 |
| Delta Air Lines | Limited data | 19 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOS to MYR
On-time arrival % by scheduled departure hour (local time), 1,128 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 86.4% | 3.3% | 61 |
| 6am–7am | 90.5% | 1.2% | 85 |
| 7am–8am | Limited data | 29 | |
| 8am–9am | 89.6% | 1.0% | 97 |
| 9am–10am | 77.1% | 7.1% | 113 |
| 10am–11am | 86.2% | 1.1% | 88 |
| 11am–12pm | 74.4% | 0.0% | 39 |
| 12pm–1pm | 71.8% | 0.0% | 71 |
| 1pm–2pm | Limited data | 13 | |
| 2pm–3pm | 78.2% | 1.2% | 81 |
| 3pm–4pm | 76.3% | 1.7% | 60 |
| 4pm–5pm | 57.1% | 7.8% | 77 |
| 5pm–6pm | Limited data | 6 | |
| 6pm–7pm | 58.2% | 8.8% | 113 |
| 7pm–8pm | Limited data | 21 | |
| 8pm–9pm | 70.1% | 2.5% | 79 |
| 9pm–10pm | 65.7% | 5.4% | 74 |
| 10pm–11pm | Limited data | 21 | |
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 MYR
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) | Limited data | 19 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 27 | ||
| Summer peak (Jun 15 - Aug 15) | 72.5% | -6.1 pts | 1.9% | 212 |
| All other days | 78.5% | — | 3.9% | 870 |
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).