Best Time to Fly EWR to ATL: On-Time Stats by Hour & Airline
Newark Liberty International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.7% of Newark (EWR) to Atlanta (ATL) flights arrived on time (6,271 scheduled flights). That is in line with the national average of 77.6%.
Among 5 airlines, Republic Airways led with 86.6% on time and Spirit Airlines was last with 71.0%.
Over 24 months, Tuesday was the most reliable day (79% on time) and May the worst month (64%).
The cancellation rate was 3.6% (US average 1.8%).
EWR to ATL 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 |
|---|---|---|---|---|
| Republic Airways | 86.6% | 42 min | 1.5% | 130 |
| Delta Air Lines | 80.0% | 92 min | 3.8% | 3,045 |
| United Airlines | 77.2% | 79 min | 2.6% | 1,994 |
| Frontier Airlines | 71.0% | 81 min | 3.7% | 708 |
| Spirit Airlines | 71.0% | 83 min | 7.9% | 394 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to ATL
On-time arrival % by scheduled departure hour (local time), 12,351 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 80.0% | 3.7% | 629 |
| 6am–7am | 84.6% | 2.6% | 1,473 |
| 7am–8am | 82.9% | 2.6% | 795 |
| 8am–9am | 81.9% | 1.7% | 953 |
| 9am–10am | 80.0% | 3.2% | 285 |
| 10am–11am | 82.5% | 2.4% | 721 |
| 11am–12pm | 75.3% | 3.8% | 713 |
| 12pm–1pm | 80.9% | 1.9% | 673 |
| 1pm–2pm | 77.6% | 1.3% | 1,050 |
| 2pm–3pm | 81.0% | 1.6% | 312 |
| 3pm–4pm | 69.6% | 3.4% | 992 |
| 4pm–5pm | 69.2% | 1.2% | 565 |
| 5pm–6pm | 60.1% | 3.9% | 1,006 |
| 6pm–7pm | 67.3% | 5.0% | 416 |
| 7pm–8pm | 57.3% | 3.8% | 667 |
| 8pm–9pm | 53.7% | 3.4% | 266 |
| 9pm–10pm | 62.9% | 3.4% | 321 |
| 10pm–11pm | 53.9% | 6.5% | 512 |
| 11pm–12am | 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 EWR to ATL
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) | 72.9% | -2.6 pts | 0.8% | 240 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.7% | -1.7 pts | 3.1% | 452 |
| Summer peak (Jun 15 - Aug 15) | 67.4% | -8.1 pts | 6.1% | 2,112 |
| All other days | 75.4% | — | 2.3% | 9,547 |
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).