Route Reliability

Route reliability

Miami (MIA) to Dallas/Fort Worth (DFW): 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 Dallas/Fort Worth, TX (DFW), September 2025 to August 2026.

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

Miami, FLDallas/Fort Worth, TX

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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 DFW

Miami, FL to Dallas/Fort Worth, TX

On time
72.8%vs 75.6% U.S. average Worse than average
Cancelled
2.4%vs 1.9% U.S. average Worse than average
60+ min late
9.7%vs 8.1% U.S. average Worse than average
Scheduled flights
4,804in 12 months3 airlines
Most reliable airline
Frontier Airlines77.0% on time · 283 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 DFW, 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. Frontier Airlines Most reliable 77.0% 2.5% 8.5% 77 min 0.0% 283
2. American Airlines 73.1% 2.3% 9.4% 79 min 0.7% 4,305
3. Spirit Airlines 59.7% 3.7% 16.7% 77 min 0.5% 216

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

Frontier Airlines has the strongest record on this route.

  • Frontier Airlines had the best on-time record from Miami (MIA) to Dallas/Fort Worth (DFW): 77.0% of its 283 scheduled flights arrived within 15 minutes of schedule, compared with 59.7% for Spirit Airlines.
  • 2.4% of flights on this route were cancelled (about 1 in 42), 0.5 points higher than the U.S. average of 1.9%.
  • 9.7% of flights, about 1 in 10, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 79 min.
  • Overall, 72.8% of flights on this route arrived on time, 2.8 points lower than the U.S. average of 75.6%.
  • Over the last 3 years, October was the most reliable month on this route (78.9% on time) and May the least reliable (63.1%).
  • Cancellations peaked in January, when 5.0% of flights were cancelled.
  • Flights scheduled to depart before 6 am were the most punctual (86.4% on time); flights scheduled to depart 4 pm to 5 pm were the least (57.9%).
  • In the other direction, Dallas/Fort Worth (DFW) to Miami (MIA), 67.5% of flights were on time and 2.4% were cancelled. Compare airlines DFW to MIA.

Best and worst months to fly MIA to DFW

Jan 66.9%
Feb 78.2%
Mar 64.8%
Apr 67.5%
May 63.1%
Jun 66.9%
Jul 64.9%
Aug 65.6%
Sep 73.1%
Oct 78.9%
Nov 78.0%
Dec 74.9%
Share of scheduled flights on time 12-month average 72.8%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 66.9% 1,270
February 78.2% 1,141
March 64.8% 1,252
April 67.5% 1,123
May 63.1% 1,237
June 66.9% 1,213
July 64.9% 1,263
August 65.6% 1,258
September 73.1% 1,121
October 78.9% 1,192
November 78.0% 1,230
December 74.9% 1,228
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
Frontier Airlines May (79.4%) September (58.2%)
American Airlines October (81.2%) May (62.1%)
Spirit Airlines June (73.3%) January (51.0%)

Month by month, last 12 months

Sep 73.0%
Oct 73.4%
Nov 70.7%
Dec 80.0%
Jan 66.9%
Feb 81.5%
Mar 71.1%
Apr 70.1%
May 70.9%
Jun 70.5%
Jul 68.4%
Aug 77.7%
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 73.0% 404
Oct 2025 73.4% 414
Nov 2025 70.7% 420
Dec 2025 80.0% 401
Jan 2026 66.9% 435
Feb 2026 81.5% 357
Mar 2026 71.1% 405
Apr 2026 70.1% 378
May 2026 70.9% 398
Jun 2026 70.5% 383
Jul 2026 68.4% 405
Aug 2026 77.7% 404

Best and worst departure times

<6a 86.4%
6a 86.2%
7a 83.4%
8a 82.4%
9a 81.0%
10a 71.1%
11a 79.1%
12p 76.6%
1p 71.3%
2p 65.9%
3p 65.0%
4p 57.9%
5p 64.1%
6p 61.8%
7p 61.2%
8p 54.8%
9p 70.4%
10p 62.6%
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 before 6 am 86.4% 368
Departing 6 am to 7 am 86.2% 355
Departing 7 am to 8 am 83.4% 404
Departing 8 am to 9 am 82.4% 335
Departing 9 am to 10 am 81.0% 195
Departing 10 am to 11 am 71.1% 187
Departing 11 am to noon 79.1% 254
Departing noon to 1 pm 76.6% 269
Departing 1 pm to 2 pm 71.3% 143
Departing 2 pm to 3 pm 65.9% 223
Departing 3 pm to 4 pm 65.0% 412
Departing 4 pm to 5 pm 57.9% 145
Departing 5 pm to 6 pm 64.1% 370
Departing 6 pm to 7 pm 61.8% 280
Departing 7 pm to 8 pm 61.2% 381
Departing 8 pm to 9 pm 54.8% 73
Departing 9 pm to 10 pm 70.4% 247
Departing 10 pm to 11 pm 62.6% 163
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 Dallas/Fort Worth, TX (DFW), 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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