Route on-time record
EYW to EWR: most on-time flights and the best time to fly
Key West (Key West International Airport) to Newark (Newark Liberty International Airport). 460 nonstop flights in Jun 2025 to May 2026, 70% arrived within 15 minutes and 2.4% were cancelled. The most reliable flight number was United 1513 at 2:35 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
EYW → EWR
Key West to Newark: 460 nonstop flights a year
On time (12 months)
70%
Cancelled
2.4%
avg delay 29 min
Best time to leave
Noon to 3 PM
76% on time vs 63% 3 to 6 PM
Most reliable airline
United
72% chance on time
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Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · United 1513
2:35 PM → 5:48 PM3h 13m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
- On time (history)
- 74%
- Cancelled
- 2.0%
- Avg arrival delay
- 33 min
- Arrived on time 74% of the time (287 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Noon to 3 PM: 76% on time; 3 to 6 PM: 63%).
- Lands inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 287 flights
Find United 1513 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines72%
299 flights · 74% on time as flown · 2.1% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Noon to 3 PM76%
256 flights · avg delay 32 min
- 3 to 6 PM63%
204 flights · avg delay 26 min
Best day: Tuesday (84%). Worst: Saturday (69%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft32%
- Air traffic control and airport volume29%
- Airline (crew, maintenance, boarding)25%
- Severe weather14%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
EYW to EWR questions
- What time of day is best to fly EYW to EWR?
- Noon to 3 PM: 76% of flights arrived on time, against 63% for departures 3 to 6 PM.
- Which airline is most on time from EYW to EWR?
- United, with a season-adjusted 72% chance of operating and arriving on time over 299 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on EYW to EWR?
- July (53% on time); the best was September (83%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from EYW
- EWR to EYW (return)
- EYW to ATL 86%
- EYW to CLT 82%
- EYW to MIA 80%
- EYW to ORD 67%
- EYW to DCA 76%
- EYW to PHL 68%
- EYW to LGA 71%
- EYW to DFW 69%
- EYW to PIE 83%
Live status: FAA delays and ground stops