Route Reliability
Raleigh–Durham → Austin
RDU–AUS · 1,162 miles · Raleigh–Durham International Airport to Austin–Bergstrom International Airport
- 83%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 1.0%
- Cancelled
- 1,220
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines85%708 flights
- 2.Southwest Airlines81%512 flights
What the data says
Morning-you made the right choice.
RDU–AUS flights departing between 3–6 AM arrived on time 91% of the time, versus 56% between 6–9 PM.
Sunday scaries are real for this one.
RDU–AUS flights arrived on time 87% of the time on Tuesdays. On Sundays: 76%.
Delta Air Lines has a slight edge here.
Delta Air Lines arrived on time 85% of the time on this route; Southwest Airlines managed 81%.
Slipping a little lately.
RDU–AUS flights arrived on time 82% of the time over the last three months in the data, compared with 87% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon79%(188 flights)
- Tue87%(171 flights)
- Wed87%(166 flights)
- Thu83%(180 flights)
- Fri85%(188 flights)
- Sat84%(149 flights)
- Sun76%(161 flights)
- 3–6 AM91%(23 flights)
- 6–9 AM91%(481 flights)
- 9 AM–12 PM78%(36 flights)
- 12–3 PM84%(97 flights)
- 3–6 PM77%(541 flights)
- 6–9 PM56%(25 flights)
Jun 73% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 106 |
| July 2025 | 67% | 112 |
| August 2025 | 89% | 94 |
| September 2025 | 92% | 89 |
| October 2025 | 90% | 113 |
| November 2025 | 82% | 104 |
| December 2025 | 86% | 105 |
| January 2026 | 87% | 86 |
| February 2026 | 89% | 84 |
| March 2026 | 87% | 105 |
| April 2026 | 85% | 101 |
| May 2026 | 73% | 104 |
Keep nerding
Based on 1,220 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.