Atlanta (ATL) to Newark (EWR): On-Time Performance
Data through May 2026
When you fly ATL to EWR matters as much as anything else about the booking: the route swung from 83% on-time in September 2025 to just 36% in May 2025. Across the full period the route averages 69% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 56%), which matters most in the rough months.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 26 min
- completed flights
- Cancelled
- 2.9%
- Flights/day
- 17
- last 12 months
- Duration
- 2h 13m
- scheduled
- Distance
- 746 mi
Best airline from ATL to EWR
5 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 79% | 34 min | 5.0% | 259 |
| United Airlines | 76% | 23 min | 2.8% | 3,916 |
| Spirit Airlines | 66% | 28 min | 5.4% | 1,140 |
| Delta Air Lines | 66% | 26 min | 2.5% | 6,100 |
| Frontier Airlines | 58% | 38 min | 3.2% | 928 |
Monthly on-time trend
Best time to fly from ATL to EWR
Aim for departures around 6 a.m. (89% on-time); avoid 6 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 27 min |
| Tuesday | 72% | 21 min |
| Wednesdaybest | 76% | 20 min |
| Thursday | 66% | 28 min |
| Friday | 67% | 30 min |
| Saturday | 68% | 28 min |
| Sunday | 65% | 32 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft20%
- Airline operations26%
- National airspace system49%
- Weather4%
Frequently asked questions
- How often are flights from ATL to EWR delayed?
- 31% of ATL–EWR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 26 minutes.
- Which airline is most reliable from ATL to EWR?
- Republic Airways has the best on-time record on this route at 79%, based on 259 flights. 5 airlines flew ATL–EWR frequently enough to compare in this period.
- What is the best time of day to fly from ATL to EWR?
- Departures around 6 a.m. have the best record (89% on-time), while departures around 6 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to EWR?
- The scheduled ATL–EWR flight time averages 2h 13m over 746 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are ATL to EWR flights cancelled?
- 2.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from ATL to EWR?
- May 2025 was the roughest month in this dataset, with only 36% of arrivals on time. The best was September 2025 at 83%. If your dates are flexible, that 47-point gap is worth planning around.
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Based on 12,343 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.