Best Time to Fly AUS to RDU: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Raleigh-Durham International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.5% of Austin (AUS) to Raleigh/Durham (RDU) flights arrived on time (521 scheduled flights). That is 4.1 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (90% on time) and Monday the weakest day of the week (73%).
0.6% of flights were cancelled, versus 1.8% nationally.
AUS to RDU 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 | 73.5% | 47 min | 0.6% | 521 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to RDU
On-time arrival % by scheduled departure hour (local time), 1,666 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.9% | 0.0% | 39 |
| 7am–8am | 87.0% | 0.0% | 47 |
| 8am–9am | 97.5% | 2.4% | 41 |
| 9am–10am | 88.3% | 0.6% | 474 |
| 10am–11am | 77.0% | 0.0% | 61 |
| 11am–12pm | 83.7% | 0.0% | 49 |
| 12pm–1pm | 80.4% | 0.0% | 46 |
| 1pm–2pm | 87.5% | 0.0% | 56 |
| 2pm–3pm | 60.3% | 0.0% | 121 |
| 3pm–4pm | 79.6% | 0.7% | 138 |
| 4pm–5pm | 87.4% | 0.0% | 87 |
| 5pm–6pm | Limited data | 8 | |
| 6pm–7pm | 68.6% | 0.0% | 207 |
| 7pm–8pm | 70.0% | 0.0% | 180 |
| 8pm–9pm | 58.1% | 0.0% | 86 |
| 9pm–10pm | Limited data | 26 | |
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 RDU
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) | 88.9% | +8.2 pts | 0.0% | 36 |
| Christmas & New Year (Dec 20 - Jan 3) | 72.4% | -8.3 pts | 0.0% | 76 |
| Summer peak (Jun 15 - Aug 15) | 68.3% | -12.3 pts | 0.4% | 260 |
| All other days | 80.7% | — | 0.4% | 1,294 |
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).