Best Time to Fly JAX to BWI: On-Time Stats by Hour & Airline
Jacksonville International → Baltimore/Washington International Thurgood Marshall
Data through July 2026 · Last updated October 18, 2026
1,385 flights were scheduled from Jacksonville (JAX) to Baltimore (BWI) in the last 12 months, and 80.8% of those that flew arrived on time, 3.2 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Thursday was the most reliable day (86% on time) and July the worst month (70%).
The cancellation rate was 1.1% (US average 1.8%).
JAX 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 | 80.8% | 55 min | 1.1% | 1,385 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JAX to BWI
On-time arrival % by scheduled departure hour (local time), 2,759 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 23 | |
| 6am–7am | 92.5% | 1.1% | 176 |
| 7am–8am | 93.9% | 1.4% | 434 |
| 8am–9am | 97.8% | 3.1% | 96 |
| 9am–10am | Limited data | 1 | |
| 10am–11am | 86.4% | 0.0% | 169 |
| 11am–12pm | 89.0% | 0.7% | 440 |
| 12pm–1pm | 87.6% | 0.8% | 130 |
| 1pm–2pm | 81.0% | 2.1% | 97 |
| 2pm–3pm | 73.5% | 4.8% | 103 |
| 3pm–4pm | 73.0% | 1.6% | 126 |
| 4pm–5pm | 62.9% | 1.7% | 175 |
| 5pm–6pm | 79.5% | 1.0% | 296 |
| 6pm–7pm | 68.0% | 3.0% | 203 |
| 7pm–8pm | 61.2% | 3.5% | 285 |
| 8pm–9pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JAX 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) | 85.0% | +0.4 pts | 0.0% | 60 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.1% | -13.5 pts | 0.7% | 136 |
| Summer peak (Jun 15 - Aug 15) | 70.5% | -14.0 pts | 3.5% | 464 |
| All other days | 84.6% | — | 1.4% | 2,099 |
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).