Best Time to Fly AUS to DCA: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Ronald Reagan Washington National
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 65.8% of Austin (AUS) to Washington (DCA) flights arrived on time (364 scheduled flights). That is 11.8 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (73% on time) and March the worst month (44%).
The cancellation rate was 0.8% (US average 1.8%).
AUS to DCA 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 | 65.8% | 49 min | 0.8% | 364 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to DCA
On-time arrival % by scheduled departure hour (local time), 729 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 10am–11am | Limited data | 1 | |
| 11am–12pm | Limited data | 25 | |
| 12pm–1pm | 67.1% | 1.0% | 386 |
| 1pm–2pm | 67.0% | 0.4% | 271 |
| 2pm–3pm | Limited data | 18 | |
| 3pm–4pm | Limited data | 7 | |
| 4pm–5pm | Limited data | 21 | |
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 DCA
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) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 46.7% | -22.1 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 55.6% | -13.1 pts | 2.4% | 123 |
| All other days | 68.8% | — | 0.4% | 562 |
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).