EWR to MIA flight delays & on-time performance
Nonstop flights from Newark Liberty International Airport to Miami International Airport · 1,085 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EWR or MIA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Newark (EWR) to Miami (MIA) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 2.8% were cancelled, and 9% arrived an hour or more late.
- American Airlines was the most punctual airline here (81% on time); Spirit Airlines was the least (60%).
- Departures scheduled around 5am did best (94% on time); around 4pm did worst (59%).
- Tuesday was the most reliable day to fly (84% on time) and Sunday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (38%).
Which airline is most on time from EWR to MIA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 100% | 0.0% | 0 min | 0.0% | 1 |
| American Airlines | 81% | 3.0% | 17 min | 7.3% | 1,427 |
| United Airlines | 77% | 2.4% | 17 min | 8.2% | 2,246 |
| Spirit Airlines | 60% | 4.7% | 31 min | 18.3% | 278 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am94%311 flights
- 6am91%366 flights
- 7am88%423 flights
- 8am84%217 flights
- 9am73%155 flights
- 10am82%78 flights
- 11am81%344 flights
- 12pm78%365 flights
- 1pm74%189 flights
- 2pm60%228 flights
- 3pm72%105 flights
- 4pm59%165 flights
- 5pm78%179 flights
- 6pm67%425 flights
- 7pm72%173 flights
- 8pm67%220 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%5.1% cancelled
- Tuesday84%2.7% cancelled
- Wednesday81%0.9% cancelled
- Thursday76%1.2% cancelled
- Friday78%0.8% cancelled
- Saturday77%2.8% cancelled
- Sunday70%5.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft38%
- Air traffic control & airport congestion28%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather9%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather73%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)5%
- Security0%
EWR to MIA: common questions
- How often are EWR to MIA flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Newark to Miami cancelled?
- 2.8% of scheduled flights were cancelled (109 of 3,952).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 75 min behind schedule on average, and 8.5% of flights were an hour or more late.
- How long is taxi time at EWR?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MIA to EWR — 72% on time
More flights from Newark
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EWR → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.