ON TIMEBOARD
EYW Key West / EWR Newark

EYW → EWR on time

Key West (Key West, FL) to Newark (Newark, NJ). Every scheduled flight, September 2025 to August 2026.

On time
67%
arrived < 15 min late
Cancelled
2.4%
460 flights
Typical arrival
−1 min
median vs schedule
When late
+101 min
average delay
Flights / day
1
1 airline

67% of flights from Key West to Newark arrived on time over the past 12 months. That is worse than the typical U.S. route. 16% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for EYW → EWR: when a flight was late, it was under 45 minutes late 49% of the time. About 1 in 9 flights landed an hour or more late, and 1 in 29 three hours or more; 2.4% were cancelled outright.

Share of all 460 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines46067%2.4%−1 min11.7%+101 minUnited Airlines 63%, Republic Airways 37%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at EYW). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%2 p.m. departures: 71% on time (268 flights)712p3 p.m. departures: too few flights (96 flights)3p4 p.m. departures: too few flights (18 flights)4p5 p.m. departures: too few flights (77 flights)5p
EYW → EWR, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: November (79%). Worst: May (63%).

40%70%100%Jan: 78% on time (128 flights)78JanFeb: 75% on time (131 flights)75FebMar: 70% on time (155 flights)70MarApr: 73% on time (149 flights)73AprMay: 63% on time (115 flights)63MayJun: too few flights (90 flights)JunJul: too few flights (93 flights)JulAug: too few flights (93 flights)AugSep: too few flights (90 flights)SepOct: too few flights (96 flights)OctNov: 79% on time (118 flights)79NovDec: 75% on time (135 flights)75Dec

By day of week

DayFlightsOn timeCancelled
Monday67——
Tuesday65——
Wednesday64——
Thursday66——
Friday66——
Saturday66——
Sunday66——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Air traffic & airport (NAS) 33%Late inbound plane 28%Airline (crew, maintenance, ops) 27%Severe weather 12%

Cancellations: weather 10 · airline 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
UA 15132:26 p.m.28970%2.1%−2 minUnited Airlines

Questions

How often are flights from EYW to EWR on time?

67% of 460 scheduled flights from Key West, FL to Newark, NJ arrived within 15 minutes of schedule between September 2025 and August 2026. 2.4% were cancelled.

What month has the most delays from EYW to EWR?

May (63% on time). The best month is November (79%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.