Best Time to Fly AUS to BWI: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Baltimore/Washington International Thurgood Marshall
Data through July 2026 · Last updated October 18, 2026
1,287 flights were scheduled from Austin (AUS) to Baltimore (BWI) in the last 12 months, and 76.8% of those that flew arrived on time, 0.8 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (85% on time) and June the worst month (67%).
The cancellation rate was 1.6% (US average 1.8%).
AUS 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 | 76.8% | 49 min | 1.6% | 1,287 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to BWI
On-time arrival % by scheduled departure hour (local time), 2,542 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 97.8% | 1.2% | 595 |
| 6am–7am | 90.8% | 2.2% | 135 |
| 7am–8am | 93.5% | 0.0% | 32 |
| 8am–9am | 84.7% | 0.0% | 72 |
| 9am–10am | 94.7% | 0.0% | 57 |
| 10am–11am | 83.3% | 0.0% | 120 |
| 11am–12pm | 80.5% | 1.0% | 300 |
| 12pm–1pm | 77.0% | 0.7% | 139 |
| 1pm–2pm | 73.7% | 1.7% | 59 |
| 2pm–3pm | 48.1% | 1.9% | 53 |
| 3pm–4pm | 75.0% | 1.6% | 305 |
| 4pm–5pm | 54.0% | 1.1% | 280 |
| 5pm–6pm | 53.2% | 2.7% | 147 |
| 6pm–7pm | Limited data | 14 | |
| 7pm–8pm | 65.3% | 2.6% | 155 |
| 8pm–9pm | 68.3% | 0.0% | 79 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on AUS 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) | 84.3% | +3.8 pts | 0.0% | 51 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.0% | -10.5 pts | 0.0% | 110 |
| Summer peak (Jun 15 - Aug 15) | 70.6% | -9.9 pts | 2.1% | 471 |
| All other days | 80.5% | — | 1.1% | 1,910 |
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).