Route Reliability

Route reliability

Miami (MIA) to Newark (EWR): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Miami, FL (MIA) to Newark, NJ (EWR), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Miami, FLNewark, NJ

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

MIA to EWR

Miami, FL to Newark, NJ

On time
69.8%vs 75.6% U.S. average Worse than average
Cancelled
2.9%vs 1.9% U.S. average Worse than average
60+ min late
11.9%vs 8.1% U.S. average Worse than average
Scheduled flights
3,913in 12 months3 airlines
Most reliable airline
United Airlines73.4% on time · 2,240 flights

On time less often than the U.S. average, with more cancellations.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from MIA to EWR, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. United Airlines Most reliable 73.4% 2.4% 10.8% 88 min 0.4% 2,240
2. American Airlines 65.8% 3.3% 12.7% 72 min 0.5% 1,428
3. Spirit Airlines Small sample (under 300 flights) 60.0% 6.1% 16.7% 84 min 0.4% 245

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

United Airlines has the strongest record on this route.

  • United Airlines had the best on-time record from Miami (MIA) to Newark (EWR): 73.4% of its 2,240 scheduled flights arrived within 15 minutes of schedule, compared with 65.8% for American Airlines.
  • 2.9% of flights on this route were cancelled (about 1 in 34), 1.0 points higher than the U.S. average of 1.9%.
  • 11.9% of flights, about 1 in 8, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 81 min.
  • Overall, 69.8% of flights on this route arrived on time, 5.8 points lower than the U.S. average of 75.6%.
  • Over the last 3 years, October was the most reliable month on this route (81.9% on time) and July the least reliable (56.4%).
  • Cancellations peaked in January, when 6.1% of flights were cancelled.
  • Flights scheduled to depart 6 am to 7 am were the most punctual (92.5% on time); flights scheduled to depart 5 pm to 6 pm were the least (53.8%).
  • In the other direction, Newark (EWR) to Miami (MIA), 75.0% of flights were on time and 3.0% were cancelled. Compare airlines EWR to MIA.

Best and worst months to fly MIA to EWR

Jan 72.2%
Feb 72.8%
Mar 65.4%
Apr 74.4%
May 66.9%
Jun 68.8%
Jul 56.4%
Aug 65.9%
Sep 72.1%
Oct 81.9%
Nov 75.7%
Dec 71.2%
Share of scheduled flights on time 12-month average 69.8%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 72.2% 1,237
February 72.8% 1,165
March 65.4% 1,228
April 74.4% 1,111
May 66.9% 970
June 68.8% 804
July 56.4% 872
August 65.9% 850
September 72.1% 882
October 81.9% 985
November 75.7% 1,084
December 71.2% 1,249
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
United Airlines October (83.5%) July (60.5%)
American Airlines October (77.4%) July (49.6%)
Spirit Airlines October (91.7%) March (61.9%)

Month by month, last 12 months

Sep 74.5%
Oct 73.0%
Nov 68.2%
Dec 66.9%
Jan 73.8%
Feb 62.3%
Mar 61.7%
Apr 80.3%
May 80.6%
Jun 71.5%
Jul 55.4%
Aug 69.7%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 74.5% 282
Oct 2025 73.0% 307
Nov 2025 68.2% 327
Dec 2025 66.9% 393
Jan 2026 73.8% 381
Feb 2026 62.3% 350
Mar 2026 61.7% 397
Apr 2026 80.3% 355
May 2026 80.6% 315
Jun 2026 71.5% 270
Jul 2026 55.4% 269
Aug 2026 69.7% 267

Best and worst departure times

6a 92.5%
7a 90.4%
8a 84.8%
9a 89.6%
10a 74.7%
11a 78.0%
12p 74.2%
1p 67.5%
2p 64.8%
3p Insufficient sample
4p 55.7%
5p 53.8%
6p 56.5%
7p 56.5%
8p 61.1%
9p 64.1%
10p 45.7%
Share of scheduled flights on time
By scheduled local departure hour at MIA, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing 6 am to 7 am 92.5% 174
Departing 7 am to 8 am 90.4% 324
Departing 8 am to 9 am 84.8% 495
Departing 9 am to 10 am 89.6% 77
Departing 10 am to 11 am 74.7% 146
Departing 11 am to noon 78.0% 246
Departing noon to 1 pm 74.2% 163
Departing 1 pm to 2 pm 67.5% 209
Departing 2 pm to 3 pm 64.8% 455
Departing 3 pm to 4 pm Insufficient sample 16
Departing 4 pm to 5 pm 55.7% 228
Departing 5 pm to 6 pm 53.8% 197
Departing 6 pm to 7 pm 56.5% 255
Departing 7 pm to 8 pm 56.5% 469
Departing 8 pm to 9 pm 61.1% 113
Departing 9 pm to 10 pm 64.1% 276
Departing 10 pm to 11 pm 45.7% 70
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Miami, FL (MIA) to Newark, NJ (EWR), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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