Best Time to Fly EWR to EYW: On-Time Stats by Hour & Airline
Newark Liberty International → Key West International
Data through July 2026 · Last updated October 18, 2026
460 flights were scheduled from Newark (EWR) to Key West (EYW) in the last 12 months, and 82.5% of those that flew arrived on time, 4.9 points above the US average of 77.6%.
Among 2 airlines, Republic Airways led with 84.6% on time and United Airlines was last with 81.5%.
Over 24 months, Wednesday was the most reliable day (91% on time) and December the worst month (68%).
The cancellation rate was 2.0% (US average 1.8%).
EWR to EYW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 84.6% | 42 min | 2.0% | 152 |
| United Airlines | 81.5% | 83 min | 1.9% | 308 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to EYW
On-time arrival % by scheduled departure hour (local time), 825 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 16 | |
| 8am–9am | 87.8% | 3.9% | 51 |
| 9am–10am | 76.7% | 2.0% | 247 |
| 10am–11am | 80.2% | 1.9% | 361 |
| 11am–12pm | 83.6% | 0.0% | 55 |
| 1pm–2pm | 79.6% | 2.0% | 50 |
| 2pm–3pm | 83.3% | 6.7% | 45 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EWR to EYW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 58.1% | -21.9 pts | 2.3% | 44 |
| Summer peak (Jun 15 - Aug 15) | 88.4% | +8.4 pts | 2.4% | 124 |
| All other days | 80.0% | — | 2.2% | 643 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).