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

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

Historically, 69.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,985 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 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%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.