Newark (EWR) to Key West (EYW): On-Time Performance
Data through July 2026
The calendar drives reliability on EWR–EYW. September 2025 flights landed on schedule 97% of the time, but March 2025 dropped to 55% — a gap of 42 points. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 2.2%
- Flights/day
- 1.3
- last 12 months
- Duration
- 3h 25m
- scheduled
- Distance
- 1,196 mi
Best airline from EWR to EYW
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 85% | 8 min | 2.0% | 152 |
| United Airlines | 78% | 18 min | 2.3% | 704 |
Monthly on-time trend
Best time to fly from EWR to EYW
Aim for departures around 8 a.m. (88% on-time); avoid 9 a.m. departures (76%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 19 min |
| Tuesday | 83% | 10 min |
| Wednesdaybest | 91% | 6 min |
| Thursday | 78% | 15 min |
| Friday | 75% | 18 min |
| Saturday | 69% | 27 min |
| Sunday | 78% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations23%
- National airspace system39%
Frequently asked questions
- How often are flights from EWR to EYW delayed?
- 21% of EWR–EYW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 16 minutes.
- Which airline is most reliable from EWR to EYW?
- Republic Airways has the best on-time record on this route at 85%, based on 152 flights. 2 airlines flew EWR–EYW frequently enough to compare in this period.
- What is the best time of day to fly from EWR to EYW?
- Departures around 8 a.m. have the best record (88% on-time), while departures around 9 a.m. have the worst (76%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EWR to EYW?
- The scheduled EWR–EYW flight time averages 3h 25m over 1,196 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are EWR to EYW flights cancelled?
- 2.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from EWR to EYW?
- March 2025 was the roughest month in this dataset, with only 55% of arrivals on time. The best was September 2025 at 97%. If your dates are flexible, that 42-point gap is worth planning around.
Explore related pages
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Based on 856 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.