ON TIMEBOARD

MIA → EWR on time

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

On time
70%
arrived < 15 min late
Cancelled
2.9%
3,913 flights
Typical arrival
−5 min
median vs schedule
When late
+81 min
average delay
Flights / day
11
3 airlines

70% of flights from Miami to Newark arrived on time over the past 12 months. That is worse than the typical U.S. route. The 6 a.m. departures ran on time 93% of the time; the 5 p.m. ones 54%. Most reliable airline: United Airlines (73%). 15% 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 MIA → EWR: when a flight was late, it was under 45 minutes late 45% of the time. About 1 in 9 flights landed an hour or more late, and 1 in 43 three hours or more; 2.9% were cancelled outright.

Share of all 3,913 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines2,24073%2.4%−6 min10.5%+88 minUnited Airlines
American Airlines1,42866%3.3%−1 min12.3%+72 minAmerican Airlines
Spirit Airlines24560%6.1%−2 min16.3%+84 minSpirit Airlines

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 MIA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 93% on time (174 flights)936a7 a.m. departures: 90% on time (324 flights)907a8 a.m. departures: 85% on time (495 flights)858a9 a.m. departures: too few flights (77 flights)9a10 a.m. departures: 75% on time (146 flights)7510a11 a.m. departures: 78% on time (246 flights)7811anoon departures: 74% on time (163 flights)7412p1 p.m. departures: 67% on time (209 flights)671p2 p.m. departures: 65% on time (455 flights)652p3 p.m. departures: too few flights (16 flights)3p4 p.m. departures: 56% on time (228 flights)564p5 p.m. departures: 54% on time (197 flights)545p6 p.m. departures: 56% on time (255 flights)566p7 p.m. departures: 56% on time (469 flights)567p8 p.m. departures: 61% on time (113 flights)618p9 p.m. departures: 64% on time (276 flights)649p10 p.m. departures: too few flights (70 flights)10p
MIA → 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 airline and hour

DepartsUnited AirlinesAmerican Airlines
6 a.m.93%—
7 a.m.90%—
8 a.m.84%85%
10 a.m.81%—
11 a.m.87%—
noon76%—
1 p.m.—69%
2 p.m.71%62%
4 p.m.55%—
5 p.m.51%—
6 p.m.53%—
7 p.m.66%49%
9 p.m.—64%

Last flight of the day

On MIA → EWR, each airline's last flight of the day was cancelled 4.6% of the time, against 2.4% for its earlier flights (1.9× as often). It arrived 3+ hours late 2.8% of the time (earlier flights: 2.2%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines9:52 p.m.4.1%1.6%3.0%first flight 8:21 a.m.
United Airlines8:36 p.m.4.4%3.8%2.0%first flight 7:07 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in EWR tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: October (82%). Worst: July (56%).

40%70%100%Jan: 72% on time (1,237 flights)72JanFeb: 73% on time (1,165 flights)73FebMar: 65% on time (1,228 flights)65MarApr: 74% on time (1,111 flights)74AprMay: 67% on time (970 flights)67MayJun: 69% on time (804 flights)69JunJul: 56% on time (872 flights)56JulAug: 66% on time (850 flights)66AugSep: 72% on time (882 flights)72SepOct: 82% on time (985 flights)82OctNov: 76% on time (1,084 flights)76NovDec: 71% on time (1,249 flights)71Dec

By day of week

DayFlightsOn timeCancelled
Monday56667%4.2%
Tuesday54673%2.2%
Wednesday54475%0.7%
Thursday57369%1.2%
Friday57573%2.1%
Saturday53473%2.6%
Sunday57560%7.3%

Why flights were late

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

Late inbound plane 35%Air traffic & airport (NAS) 35%Airline (crew, maintenance, ops) 24%Severe weather 5%

Cancellations: weather 88 · air traffic/airport 21 · airline 6

Month by month

40%70%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 61% on time, 5.9% cancelledOct 2023: 89% on time, 0.0% cancelledNov 2023: 86% on time, 0.2% cancelledDec 2023: 80% on time, 0.0% cancelledJan 2024: 65% on time, 11.6% cancelledFeb 2024: 76% on time, 1.5% cancelledMar 2024: 73% on time, 1.7% cancelledApr 2024: 76% on time, 2.5% cancelledMay 2024: 71% on time, 1.9% cancelledJun 2024: 66% on time, 4.4% cancelledJul 2024: 58% on time, 3.0% cancelledAug 2024: 59% on time, 8.6% cancelledSep 2024: 83% on time, 0.7% cancelledOct 2024: 82% on time, 0.7% cancelledNov 2024: 71% on time, 0.3% cancelledDec 2024: 65% on time, 0.8% cancelledJan 2025: 78% on time, 0.7% cancelledFeb 2025: 79% on time, 1.0% cancelledMar 2025: 62% on time, 1.2% cancelledApr 2025: 66% on time, 1.1% cancelledMay 2025: 47% on time, 3.1% cancelledJun 2025: 69% on time, 1.1% cancelledJul 2025: 56% on time, 6.6% cancelledAug 2025: 69% on time, 0.7% cancelledSep 2025: 74% on time, 0.4% cancelledOct 2025: 73% on time, 0.7% cancelledNov 2025: 68% on time, 5.2% cancelledDec 2025: 67% on time, 2.3% cancelledJan 2026: 74% on time, 6.0% cancelledFeb 2026: 62% on time, 6.6% cancelledMar 2026: 62% on time, 2.3% cancelledApr 2026: 80% on time, 0.0% cancelledMay 2026: 81% on time, 0.3% cancelledJun 2026: 71% on time, 0.0% cancelledJul 2026: 55% on time, 7.4% cancelledAug 2026: 70% on time, 3.8% cancelled
Share of flights on time, by month (hover a point for cancellations)
MIA → EWR, monthly on-time and cancellation rate.

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 18647:07 a.m.35992%0.8%−10 minUnited Airlines
AA 18018:21 a.m.13291%0.0%−16 minAmerican Airlines
UA 4088:48 a.m.21485%0.5%−7 minUnited Airlines
AA 3227:47 p.m.16045%3.8%+21 minAmerican Airlines
AA 20089:50 p.m.19160%3.1%+6 minAmerican Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jan 25, 2026120%12
Feb 23, 2026120%12
Jul 6, 202680%0
Jan 26, 2026128%4
Dec 14, 2025128%2

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Miami or Newark. None has been clearly more reliable than MIA → EWR.

RouteFlightsOn timeCancelled
MIA → EWR (this route)3,91370%2.9%
FLL → HPN Fort Lauderdale to Westchester88071%2.2%
MIA → JFK Miami to New York JFK4,52669%3.1%
FLL → EWR Fort Lauderdale to Newark4,66668%3.7%
FLL → JFK Fort Lauderdale to New York JFK3,89666%4.8%
FLL → ISP Fort Lauderdale to Long Island MacArthur41966%2.1%
MIA → LGA Miami to LaGuardia5,95564%4.2%

Questions

How often are flights from MIA to EWR on time?

70% of 3,913 scheduled flights from Miami, FL to Newark, NJ arrived within 15 minutes of schedule between September 2025 and August 2026. 2.9% were cancelled.

What is the best time of day to fly MIA to EWR?

Flights scheduled to leave at 6 a.m. were the most reliable (93% on time). The 5 p.m. departures were the least (54%).

Which airline is most on time from MIA to EWR?

United Airlines: 73% of its 2,240 flights on the route arrived on time. American Airlines: 66%. Spirit Airlines: 60%.

What month has the most delays from MIA to EWR?

July (56% on time). The best month is October (82%), over 2023–2026.

Is the last flight of the day from MIA to EWR more likely to be cancelled?

Yes. Each airline's last MIA–EWR flight of the day was cancelled 4.6% of the time over the past year, against 2.4% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

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.