BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MIA→EWR

Miami, FL (MIA) to Newark, NJ (EWR) flight delay odds

69.6% of 3,985 official scheduled MIA-to-EWR flights arrived on time; 20.3% arrived at least 30 minutes late and 2.7% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
69.6%arrived on time
20.3%30+ min late
2.7%cancelled
3,985scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.5%all scheduled flights
120+ minutes late5.5%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+15.5 mincompleted flights

Which departure time was most reliable for MIA to EWR?

Among qualifying MIA-to-EWR departure window results, Early morning had the highest on-time rate: 89.0% of 1,000 flights. Evening was lowest at 55.6% across 1,075 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,00089.0%6.3%0.8%
Late morning48779.7%10.5%2.1%
Afternoon1,07863.6%24.4%2.7%
Evening1,07555.6%31.9%4.4%
Night34561.4%26.1%3.8%

Which weekday was most reliable for MIA to EWR?

Among qualifying MIA-to-EWR weekday results, Wednesday had the highest on-time rate: 73.8% of 553 flights. Sunday was lowest at 58.9% across 582 flights.

DayFlightsOn time30+ minCancelled
Monday57468.6%19.3%4.5%
Tuesday57272.7%17.5%1.9%
Wednesday55373.8%18.3%1.1%
Thursday58269.1%23.9%0.9%
Friday58472.4%19.5%1.7%
Saturday53872.1%18.8%1.7%
Sunday58258.9%24.7%6.9%

Which airline was most reliable for MIA to EWR?

Among qualifying MIA-to-EWR airline results, United Airlines had the highest on-time rate: 73.1% of 2,253 flights. Spirit Airlines was lowest at 59.9% across 307 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines2,25373.1%17.9%2.0%
American Airlines1,42466.2%22.9%3.0%
Spirit Airlines30759.9%26.4%5.9%
Envoy Air1100.0%0.0%0.0%

Which month was most reliable for MIA to EWR?

Among qualifying MIA-to-EWR month results, May 2026 had the highest on-time rate: 80.6% of 315 flights. July 2025 was lowest at 55.8% across 303 flights.

MonthFlightsOn time30+ minCancelled
July 202530355.8%30.0%6.6%
August 202530568.5%24.9%0.7%
September 202528274.5%20.9%0.4%
October 202530773.0%20.5%0.7%
November 202532768.2%20.5%5.2%
December 202539366.9%20.9%2.3%
January 202638173.8%12.9%6.0%
February 202635062.3%22.3%6.6%
March 202639761.7%23.2%2.3%
April 202635580.3%14.1%0.0%
May 202631580.6%14.3%0.3%
June 202627071.5%21.5%0.0%

What drove MIA to EWR delay minutes?

National airspace was the largest recorded MIA-to-EWR delay category, accounting for 37.9% of 89,860 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.6%
Late aircraft34.6%
National airspace37.9%
Weather3.7%
Security0.2%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.