Best Time to Fly EWR to AUS: On-Time Stats by Hour & Airline
Newark Liberty International → Austin - Bergstrom International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.8% of Newark (EWR) to Austin (AUS) flights arrived on time (2,084 scheduled flights). That is 1.2 points above the national average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 80.3%, while Spirit Airlines trailed at 69.7%.
September has been the best month (85% on time) and Sunday the weakest day of the week (71%).
3.0% of flights were cancelled, versus 1.8% nationally.
EWR to AUS 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 |
|---|---|---|---|---|
| United Airlines | 80.3% | 71 min | 2.4% | 1,739 |
| Spirit Airlines | 69.7% | 81 min | 6.5% | 322 |
| Republic Airways | Limited data | 23 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to AUS
On-time arrival % by scheduled departure hour (local time), 3,904 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 9 | |
| 6am–7am | 91.9% | 1.8% | 515 |
| 7am–8am | 90.5% | 0.0% | 273 |
| 8am–9am | 83.8% | 0.0% | 37 |
| 9am–10am | 83.3% | 4.4% | 114 |
| 10am–11am | 80.9% | 0.5% | 210 |
| 11am–12pm | 87.8% | 1.8% | 286 |
| 12pm–1pm | 79.1% | 1.2% | 324 |
| 1pm–2pm | 73.8% | 0.0% | 257 |
| 2pm–3pm | 70.1% | 1.7% | 120 |
| 3pm–4pm | 75.5% | 3.2% | 338 |
| 4pm–5pm | 63.9% | 4.3% | 139 |
| 5pm–6pm | 78.8% | 1.5% | 196 |
| 6pm–7pm | 68.8% | 1.3% | 226 |
| 7pm–8pm | 67.6% | 2.7% | 295 |
| 8pm–9pm | 67.2% | 3.9% | 508 |
| 9pm–10pm | 52.9% | 10.5% | 57 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EWR to AUS
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) | 74.2% | -5.1 pts | 1.1% | 91 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.3% | -4.0 pts | 2.9% | 171 |
| Summer peak (Jun 15 - Aug 15) | 70.6% | -8.7 pts | 4.0% | 619 |
| All other days | 79.3% | — | 1.7% | 3,023 |
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).