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

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

82.6% of 973 official scheduled SDF-to-EWR flights arrived on time; 9.6% arrived at least 30 minutes late and 3.8% 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
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

Which departure time was most reliable for SDF to EWR?

Among qualifying SDF-to-EWR departure window results, Early morning had the highest on-time rate: 87.7% of 543 flights. Afternoon was lowest at 74.2% across 341 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning54387.7%6.1%3.3%
Late morning8785.1%8.0%4.6%
Afternoon34174.2%15.2%4.4%

Which weekday was most reliable for SDF to EWR?

Among qualifying SDF-to-EWR weekday results, Wednesday had the highest on-time rate: 87.9% of 140 flights. Sunday was lowest at 75.2% across 141 flights.

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%

Which airline was most reliable for SDF to EWR?

Only Republic Airways met the SDF-to-EWR airline threshold: 83.0% of 958 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Republic Airways95883.0%9.4%3.8%
Spirit Airlines1266.7%16.7%8.3%
United Airlines333.3%33.3%0.0%

Which month was most reliable for SDF to EWR?

Among qualifying SDF-to-EWR month results, May 2026 had the highest on-time rate: 94.5% of 91 flights. December 2025 was lowest at 69.3% across 75 flights.

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 SDF to EWR delay minutes?

National airspace was the largest recorded SDF-to-EWR delay category, accounting for 45.4% of 8,682 BTS-attributed delay minutes during July 2025–June 2026.

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.