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

Newark, NJ (EWR) to Key West, FL (EYW) flight delay odds

81.5% of 460 official scheduled EWR-to-EYW flights arrived on time; 11.7% arrived at least 30 minutes late and 2.0% 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 SIGNALGenerally reliable
81.5%arrived on time
11.7%30+ min late
2.0%cancelled
460scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.4%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+0.9 mincompleted flights

Which departure time was most reliable for EWR to EYW?

Among qualifying EWR-to-EYW departure window results, Late morning had the highest on-time rate: 82.4% of 364 flights. Afternoon was lowest at 77.9% across 95 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning36482.4%11.3%1.4%
Afternoon9577.9%13.7%4.2%

Which weekday was most reliable for EWR to EYW?

Among qualifying EWR-to-EYW weekday results, Wednesday had the highest on-time rate: 90.6% of 64 flights. Sunday was lowest at 77.3% across 66 flights.

DayFlightsOn time30+ minCancelled
Monday6677.3%12.1%6.1%
Tuesday6680.3%9.1%3.0%
Wednesday6490.6%7.8%0.0%
Thursday6689.4%6.1%1.5%
Friday6678.8%18.2%1.5%
Saturday6677.3%13.6%0.0%
Sunday6677.3%15.2%1.5%

Which airline was most reliable for EWR to EYW?

Among qualifying EWR-to-EYW airline results, Republic Airways had the highest on-time rate: 82.9% of 152 flights. United Airlines was lowest at 80.8% across 308 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines30880.8%12.7%1.9%
Republic Airways15282.9%9.9%2.0%

Which month was most reliable for EWR to EYW?

Among qualifying EWR-to-EYW month results, September 2025 had the highest on-time rate: 96.7% of 30 flights. October 2025 was lowest at 61.3% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253190.3%9.7%0.0%
August 20253187.1%9.7%0.0%
September 20253096.7%0.0%0.0%
October 20253161.3%16.1%3.2%
November 20253073.3%26.7%0.0%
December 20254463.6%15.9%2.3%
January 20263677.8%13.9%5.6%
February 20264582.2%8.9%8.9%
March 20266285.5%11.3%1.6%
April 20265984.7%11.9%0.0%
May 20263183.9%12.9%0.0%
June 20263093.3%3.3%0.0%

What drove EWR to EYW delay minutes?

National airspace was the largest recorded EWR-to-EYW delay category, accounting for 44.4% of 5,507 BTS-attributed delay minutes during July 2025–June 2026.

Airline22.0%
Late aircraft33.4%
National airspace44.4%
Weather0.2%
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.