Austin (AUS) to Raleigh/Durham (RDU): On-Time Performance
Data through May 2026
The calendar drives reliability on AUS–RDU. September 2025 flights landed on schedule 100% of the time, but March 2026 dropped to 48% — a gap of 52 points. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 65%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 1.4
- last 12 months
- Duration
- 2h 51m
- scheduled
- Distance
- 1,162 mi
Best airline from AUS to RDU
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 77% | 14 min | 0.3% | 1,007 |
| Envoy Air | 76% | 15 min | 0.6% | 155 |
| SkyWest Airlines | 74% | 20 min | 0.3% | 704 |
Monthly on-time trend
Best time to fly from AUS to RDU
Aim for departures around 5 a.m. (95% on-time); avoid 2 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 17 min |
| Tuesdaybest | 79% | 15 min |
| Wednesday | 79% | 14 min |
| Thursday | 77% | 16 min |
| Friday | 74% | 16 min |
| Saturday | 78% | 14 min |
| Sunday | 72% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations43%
- National airspace system12%
- Weather13%
Frequently asked questions
- How often are flights from AUS to RDU delayed?
- 25% of AUS–RDU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 16 minutes.
- Which airline is most reliable from AUS to RDU?
- Southwest Airlines has the best on-time record on this route at 77%, based on 1,007 flights. 3 airlines flew AUS–RDU frequently enough to compare in this period.
- What is the best time of day to fly from AUS to RDU?
- Departures around 5 a.m. have the best record (95% on-time), while departures around 2 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from AUS to RDU?
- The scheduled AUS–RDU flight time averages 2h 51m over 1,162 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are AUS to RDU flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from AUS to RDU?
- March 2026 was the roughest month in this dataset, with only 48% of arrivals on time. The best was September 2025 at 100%. If your dates are flexible, that 52-point gap is worth planning around.
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Based on 1,866 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.