Raleigh/Durham (RDU) to Austin (AUS): On-Time Performance
Data through July 2026
When you fly RDU to AUS matters as much as anything else about the booking: the route swung from 94% on-time in January 2026 to just 61% in May 2026. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 69%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 1.4
- last 12 months
- Duration
- 3h 17m
- scheduled
- Distance
- 1,162 mi
Best airline from RDU to AUS
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 98% | 1 min | 0.0% | 126 |
| SkyWest Airlines | 79% | 15 min | 0.3% | 621 |
| Southwest Airlines | 79% | 13 min | 0.4% | 1,077 |
Monthly on-time trend
Best time to fly from RDU to AUS
Aim for departures around 7 a.m. (91% on-time); avoid 7 p.m. departures (38%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 13 min |
| Tuesdaybest | 84% | 9 min |
| Wednesday | 83% | 10 min |
| Thursday | 82% | 13 min |
| Friday | 80% | 14 min |
| Saturday | 82% | 12 min |
| Sunday | 74% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations40%
- National airspace system19%
- Weather9%
- Security1%
Frequently asked questions
- How often are flights from RDU to AUS delayed?
- 20% of RDU–AUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from RDU to AUS?
- Envoy Air has the best on-time record on this route at 98%, based on 126 flights. 3 airlines flew RDU–AUS frequently enough to compare in this period.
- What is the best time of day to fly from RDU to AUS?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 7 p.m. have the worst (38%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from RDU to AUS?
- The scheduled RDU–AUS flight time averages 3h 17m over 1,162 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are RDU to AUS flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from RDU to AUS?
- May 2026 was the roughest month in this dataset, with only 61% of arrivals on time. The best was January 2026 at 94%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 1,824 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.