Best Time to Fly MYR to BWI: On-Time Stats by Hour & Airline
Myrtle Beach International → Baltimore/Washington International Thurgood Marshall
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.2% of Myrtle Beach (MYR) to Baltimore (BWI) flights arrived on time (1,038 scheduled flights). That is 6.5 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (87% on time) and July the worst month (72%).
The cancellation rate was 1.2% (US average 1.8%).
MYR to BWI 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 |
|---|---|---|---|---|
| Southwest Airlines | 84.2% | 57 min | 1.2% | 1,038 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MYR to BWI
On-time arrival % by scheduled departure hour (local time), 2,112 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 20 | |
| 7am–8am | 93.1% | 0.8% | 366 |
| 8am–9am | 94.6% | 3.2% | 342 |
| 9am–10am | Limited data | 1 | |
| 10am–11am | Limited data | 9 | |
| 11am–12pm | 87.7% | 0.0% | 57 |
| 12pm–1pm | 88.0% | 0.4% | 235 |
| 1pm–2pm | 88.5% | 1.9% | 106 |
| 2pm–3pm | 82.9% | 0.0% | 141 |
| 3pm–4pm | 85.4% | 2.0% | 98 |
| 4pm–5pm | 73.0% | 0.0% | 63 |
| 5pm–6pm | 92.7% | 3.5% | 85 |
| 6pm–7pm | 77.0% | 2.0% | 200 |
| 7pm–8pm | 67.9% | 0.8% | 243 |
| 8pm–9pm | 68.8% | 2.7% | 146 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MYR to BWI
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) | 90.2% | +3.4 pts | 0.0% | 41 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.9% | -3.9 pts | 0.0% | 82 |
| Summer peak (Jun 15 - Aug 15) | 74.9% | -11.9 pts | 2.8% | 392 |
| All other days | 86.9% | — | 1.3% | 1,597 |
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).