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

Louisville, KY (SDF) to Newark, NJ (EWR) flight delay odds

Historically, 82.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 973 flights.

HISTORICAL ROUTE SIGNALVariable
82.6%arrived on time
9.6%30+ min late
3.8%cancelled
973scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-2.8 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 morning54387.7%6.1%3.3%
Late morning8785.1%8.0%4.6%
Afternoon34174.2%15.2%4.4%

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
Monday14276.8%11.3%4.2%
Tuesday14385.3%9.1%3.5%
Wednesday14087.9%3.6%4.3%
Thursday14585.5%8.3%2.8%
Friday14182.3%13.5%2.8%
Saturday12186.0%11.6%0.8%
Sunday14175.2%9.9%7.8%

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
Republic Airways95883.0%9.4%3.8%
Spirit Airlines1266.7%16.7%8.3%
United Airlines333.3%33.3%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20257374.0%15.1%6.8%
August 20256583.1%10.8%1.5%
September 20256390.5%4.8%1.6%
October 20259389.2%9.7%0.0%
November 20258670.9%15.1%7.0%
December 20257569.3%18.7%5.3%
January 20268681.4%5.8%8.1%
February 20268081.2%5.0%10.0%
March 20268876.1%13.6%3.4%
April 20268394.0%4.8%0.0%
May 20269194.5%1.1%2.2%
June 20269085.6%11.1%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.

Airline24.9%
Late aircraft24.3%
National airspace45.4%
Weather5.3%
Security0.0%
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.