FlightRecord

Key West (EYW) to Newark (EWR): On-Time Performance

Data through May 2026

The calendar drives reliability on EYW–EWR. October 2024 flights landed on schedule 97% of the time, but July 2024 dropped to 43% — a gap of 53 points. Across the full period the route averages 68% on-time against a national 78%.

On-time
68%
arrived <15 min late
Avg delay
29 min
completed flights
Cancelled
2.8%
Flights/day
1.3
last 12 months
Duration
3h 11m
scheduled
Distance
1,196 mi

Best airline from EYW to EWR

2 airlines flew this route regularly between 2024-06 and 2026-05.

AirlineOn-timeAvg delayCancelledFlights
United Airlinesmost reliable69%31 min2.7%664
Republic Airways64%23 min3.1%161

Monthly on-time trend

Monthly on-time percentage for EYW to EWR flights50%75%100%June 2024: 59% on-time (30 flights)59Jun 2024July 2024: 43% on-time (31 flights)43August 2024: 57% on-time (31 flights)57September 2024: 68% on-time (30 flights)68Sep 2024October 2024: 97% on-time (31 flights)97November 2024: 67% on-time (30 flights)67December 2024: 60% on-time (31 flights)60Dec 2024January 2025: 74% on-time (31 flights)74February 2025: 85% on-time (28 flights)85March 2025: 55% on-time (31 flights)55Mar 2025April 2025: 73% on-time (30 flights)73May 2025: 50% on-time (31 flights)50June 2025: 73% on-time (30 flights)73Jun 2025July 2025: 60% on-time (31 flights)60August 2025: 71% on-time (31 flights)71September 2025: 80% on-time (30 flights)80Sep 2025October 2025: 60% on-time (31 flights)60November 2025: 63% on-time (30 flights)63December 2025: 67% on-time (44 flights)67Dec 2025January 2026: 71% on-time (36 flights)71February 2026: 74% on-time (45 flights)74March 2026: 67% on-time (62 flights)67Mar 2026April 2026: 76% on-time (59 flights)76May 2026: 68% on-time (31 flights)68

Best time to fly from EYW to EWR

Aim for departures around 12 p.m. (76% on-time); avoid 5 p.m. departures (59%).

On-time percentage by scheduled departure hour, EYW to EWR12 p.m.: 76% on-time (47 flights)121 p.m.: 69% on-time (100 flights)132 p.m.: 70% on-time (340 flights)143 p.m.: 66% on-time (243 flights)155 p.m.: 59% on-time (77 flights)17scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday72%34 min
Tuesdaybest80%14 min
Wednesday75%16 min
Thursday64%38 min
Friday65%26 min
Saturday58%43 min
Sunday62%35 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft40%
  • Airline operations24%
  • National airspace system27%
  • Weather9%

Frequently asked questions

How often are flights from EYW to EWR delayed?
32% of EYW–EWR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 29 minutes.
Which airline is most reliable from EYW to EWR?
United Airlines has the best on-time record on this route at 69%, based on 664 flights. 2 airlines flew EYW–EWR frequently enough to compare in this period.
What is the best time of day to fly from EYW to EWR?
Departures around 12 p.m. have the best record (76% on-time), while departures around 5 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from EYW to EWR?
The scheduled EYW–EWR flight time averages 3h 11m over 1,196 miles. Actual arrival times vary — flights on this route land 15+ minutes late 32% of the time.
How often are EYW to EWR flights cancelled?
2.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
What is the worst month to fly from EYW to EWR?
July 2024 was the roughest month in this dataset, with only 43% of arrivals on time. The best was October 2024 at 97%. If your dates are flexible, that 53-point gap is worth planning around.

Based on 825 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.