Route on-time record
EWR to EYW: most on-time flights and the best time to fly
Newark (Newark Liberty International Airport) to Key West (Key West International Airport). 460 nonstop flights in Jun 2025 to May 2026, 83% arrived within 15 minutes and 2.0% were cancelled. The most reliable flight number was United 1050 at 10:18 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
EWR → EYW
Newark to Key West: 460 nonstop flights a year
On time (12 months)
83%
Cancelled
2.0%
avg delay 14 min
Best time to leave
No clear winner
Most reliable airline
United
80% chance on time
Lowest nonstop fare seen in the next two months: $382 (United 3606 on 2026-10-23). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
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 1050
10:18 AM → 1:30 PM3h 12m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 571; its record covers all of them.
80%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.0%
- Avg arrival delay
- 17 min
- Arrived on time 84% of the time (32 flights, Jun 2025 to May 2026).
- Never cancelled in 32 scheduled flights.
- Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).
- 81% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 32 flights
Find United 1050 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines80%
308 flights · 82% on time as flown · 2.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon83%
364 flights · avg delay 15 min
- Noon to 3 PM81%
95 flights · avg delay 10 min
Best day: Wednesday (84%). Worst: Friday (76%).
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
- Air traffic control and airport volume43%
- Late-arriving aircraft35%
- Airline (crew, maintenance, boarding)22%
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
EWR to EYW questions
- Which airline is most on time from EWR to EYW?
- United, with a season-adjusted 80% chance of operating and arriving on time over 308 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 EWR to EYW?
- December (73% on time); the best was August (86%), 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 EWR
- EYW to EWR (return)
- EWR to MCO 76%
- EWR to ATL 77%
- EWR to ORD 71%
- EWR to LAX 72%
- EWR to FLL 75%
- EWR to SFO 71%
- EWR to MIA 77%
- EWR to BOS 71%
- EWR to CLT 80%
- EWR to IAH 79%
- EWR to DTW 79%
- EWR to PBI 77%
Live status: FAA delays and ground stops