Best Time to Fly AUS to EWR: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Newark Liberty International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.1% of Austin (AUS) to Newark (EWR) flights arrived on time (2,081 scheduled flights). That is 1.5 points below the national average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 79.5%, while Spirit Airlines trailed at 56.9%.
January has been the best month (88% on time) and Sunday the weakest day of the week (68%).
3.1% of flights were cancelled, versus 1.8% nationally.
AUS to EWR 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 | 79.5% | 92 min | 2.5% | 1,737 |
| Spirit Airlines | 56.9% | 86 min | 6.8% | 321 |
| Republic Airways | Limited data | 23 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to EWR
On-time arrival % by scheduled departure hour (local time), 3,902 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 78.0% | 13.2% | 68 |
| 6am–7am | 89.2% | 2.5% | 609 |
| 7am–8am | 90.5% | 3.1% | 294 |
| 8am–9am | 87.2% | 0.9% | 331 |
| 9am–10am | 88.9% | 0.0% | 73 |
| 10am–11am | 80.2% | 2.3% | 263 |
| 11am–12pm | 79.9% | 0.9% | 344 |
| 12pm–1pm | 73.2% | 3.1% | 127 |
| 1pm–2pm | 52.9% | 3.5% | 141 |
| 2pm–3pm | 59.0% | 0.7% | 286 |
| 3pm–4pm | 56.5% | 2.6% | 153 |
| 4pm–5pm | 60.8% | 2.8% | 429 |
| 5pm–6pm | 70.5% | 0.8% | 240 |
| 6pm–7pm | 60.7% | 0.5% | 204 |
| 7pm–8pm | 74.8% | 3.3% | 332 |
| 8pm–9pm | Limited data | 6 | |
| 9pm–10pm | Limited data | 2 | |
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 EWR
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) | 76.4% | -0.3 pts | 2.2% | 91 |
| Christmas & New Year (Dec 20 - Jan 3) | 68.5% | -8.2 pts | 4.7% | 171 |
| Summer peak (Jun 15 - Aug 15) | 68.5% | -8.2 pts | 4.2% | 619 |
| All other days | 76.7% | — | 1.7% | 3,021 |
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).