Newark (EWR) to Miami (MIA): On-Time Performance
Data through July 2026
The calendar drives reliability on EWR–MIA. October 2024 flights landed on schedule 87% of the time, but July 2024 dropped to 60% — a gap of 27 points. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 63%), which matters most in the rough months.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 2.3%
- Flights/day
- 11
- last 12 months
- Duration
- 3h 14m
- scheduled
- Distance
- 1,085 mi
Best airline from EWR to MIA
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 77% | 21 min | 2.8% | 2,916 |
| United Airlines | 76% | 18 min | 1.7% | 4,591 |
| Spirit Airlines | 70% | 27 min | 4.2% | 792 |
Monthly on-time trend
Best time to fly from EWR to MIA
Aim for departures around 5 a.m. (93% on-time); avoid 6 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 22 min |
| Tuesdaybest | 84% | 14 min |
| Wednesday | 80% | 15 min |
| Thursday | 72% | 26 min |
| Friday | 75% | 18 min |
| Saturday | 75% | 19 min |
| Sunday | 70% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations23%
- National airspace system30%
- Weather7%
Frequently asked questions
- How often are flights from EWR to MIA delayed?
- 24% of EWR–MIA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
- Which airline is most reliable from EWR to MIA?
- American Airlines has the best on-time record on this route at 77%, based on 2,916 flights. 3 airlines flew EWR–MIA frequently enough to compare in this period.
- What is the best time of day to fly from EWR to MIA?
- Departures around 5 a.m. have the best record (93% on-time), while departures around 6 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EWR to MIA?
- The scheduled EWR–MIA flight time averages 3h 14m over 1,085 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are EWR to MIA flights cancelled?
- 2.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from EWR to MIA?
- July 2024 was the roughest month in this dataset, with only 60% of arrivals on time. The best was October 2024 at 87%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 8,304 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.