Route
RDU → AUS
Raleigh-Durham International Airport Austin Bergstrom International Airport
1,162 miles
Return route AUS → RDU →
How punctual is this route?
- On-time arrivals
- 77.8%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 533
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Airline (crew, maintenance, cleaning) 23%
- Air traffic control & airport 18%
- Security 2%
- Extreme weather 1%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.0% | 30 |
| October 2025 | 88.5% | 52 |
| November 2025 | 76.6% | 47 |
| December 2025 | 91.3% | 46 |
| January 2026 | 93.9% | 35 |
| February 2026 | 88.6% | 35 |
| March 2026 | 79.5% | 44 |
| April 2026 | 79.1% | 43 |
| May 2026 | 61.4% | 44 |
| June 2026 | 63.0% | 54 |
| July 2026 | 65.5% | 58 |
| August 2026 | 71.1% | 45 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 533 | 77.8% | 0.4% | 60 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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