Best Time to Fly PBI to BWI: On-Time Stats by Hour & Airline
Palm Beach International → Baltimore/Washington International Thurgood Marshall
Data through July 2026 · Last updated October 18, 2026
1,233 flights were scheduled from West Palm Beach/Palm Beach (PBI) to Baltimore (BWI) in the last 12 months, and 81.3% of those that flew arrived on time, 3.7 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (87% on time) and June the worst month (75%).
The cancellation rate was 1.4% (US average 1.8%).
PBI 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 | 81.3% | 63 min | 1.4% | 1,233 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PBI to BWI
On-time arrival % by scheduled departure hour (local time), 2,544 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 22 | |
| 6am–7am | 94.2% | 0.3% | 364 |
| 7am–8am | 94.8% | 1.0% | 311 |
| 8am–9am | 97.0% | 0.0% | 33 |
| 9am–10am | Limited data | 24 | |
| 10am–11am | 89.2% | 1.1% | 189 |
| 11am–12pm | 82.1% | 0.8% | 254 |
| 12pm–1pm | 86.3% | 1.1% | 266 |
| 1pm–2pm | 75.6% | 2.4% | 42 |
| 2pm–3pm | 76.2% | 0.8% | 131 |
| 3pm–4pm | 79.0% | 0.8% | 126 |
| 4pm–5pm | 72.1% | 0.6% | 157 |
| 5pm–6pm | 76.8% | 2.7% | 186 |
| 6pm–7pm | 66.9% | 1.6% | 253 |
| 7pm–8pm | 64.0% | 1.7% | 181 |
| 9pm–10pm | 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 PBI 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) | 82.7% | -1.6 pts | 0.0% | 52 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.2% | -7.1 pts | 1.7% | 116 |
| Summer peak (Jun 15 - Aug 15) | 73.4% | -10.9 pts | 1.1% | 370 |
| All other days | 84.3% | — | 1.1% | 2,006 |
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).