Best Time to Fly RDU to AUS: On-Time Stats by Hour & Airline
Raleigh-Durham International → Austin - Bergstrom International
Data through July 2026 · Last updated October 18, 2026
521 flights were scheduled from Raleigh/Durham (RDU) to Austin (AUS) in the last 12 months, and 78.8% of those that flew arrived on time, 1.1 points above 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 (86% on time) and July the worst month (66%).
The cancellation rate was 0.6% (US average 1.8%).
RDU to AUS 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 | 78.8% | 53 min | 0.6% | 521 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly RDU to AUS
On-time arrival % by scheduled departure hour (local time), 1,667 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 28 | |
| 6am–7am | 92.7% | 0.5% | 220 |
| 7am–8am | 90.0% | 0.2% | 399 |
| 8am–9am | Limited data | 10 | |
| 9am–10am | Limited data | 20 | |
| 10am–11am | 88.6% | 0.0% | 70 |
| 11am–12pm | 74.1% | 0.0% | 58 |
| 12pm–1pm | 85.0% | 0.0% | 82 |
| 1pm–2pm | 85.7% | 2.3% | 86 |
| 2pm–3pm | 74.4% | 0.0% | 82 |
| 3pm–4pm | 68.2% | 1.5% | 67 |
| 4pm–5pm | 70.7% | 0.0% | 216 |
| 5pm–6pm | 84.7% | 0.4% | 229 |
| 6pm–7pm | 45.2% | 0.0% | 42 |
| 7pm–8pm | 46.5% | 0.0% | 58 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on RDU to AUS
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) | 86.1% | +2.3 pts | 0.0% | 36 |
| Christmas & New Year (Dec 20 - Jan 3) | 93.4% | +9.6 pts | 0.0% | 76 |
| Summer peak (Jun 15 - Aug 15) | 68.4% | -15.4 pts | 0.4% | 260 |
| All other days | 83.8% | — | 0.4% | 1,295 |
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).