Route Reliability

Route reliability

Dallas/Fort Worth (DFW) to Miami (MIA): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Dallas/Fort Worth, TX (DFW) to Miami, FL (MIA), September 2025 to August 2026.

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

Dallas/Fort Worth, TXMiami, FL

Check a route

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

Route at a glance · September 2025 to August 2026

DFW to MIA

Dallas/Fort Worth, TX to Miami, FL

On time
67.5%vs 75.6% U.S. average Worse than average
Cancelled
2.4%vs 1.9% U.S. average Worse than average
60+ min late
11.0%vs 8.1% U.S. average Worse than average
Scheduled flights
4,804in 12 months3 airlines
Most reliable airline
Spirit Airlines77.8% on time · 216 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 DFW to MIA, 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. Spirit Airlines Most reliable 77.8% 2.8% 7.4% 62 min 0.0% 216
2. Frontier Airlines 67.8% 2.1% 13.3% 108 min 0.0% 286
3. American Airlines 66.9% 2.4% 11.0% 72 min 0.2% 4,302

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

Spirit Airlines has the strongest record on this route.

  • Spirit Airlines had the best on-time record from Dallas/Fort Worth (DFW) to Miami (MIA): 77.8% of its 216 scheduled flights arrived within 15 minutes of schedule, compared with 66.9% for American 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%.
  • 11.0% of flights, about 1 in 9, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 74 min.
  • Overall, 67.5% of flights on this route arrived on time, 8.1 points lower than the U.S. average of 75.6%.
  • Over the last 3 years, February was the most reliable month on this route (77.5% on time) and July the least reliable (57.4%).
  • Cancellations peaked in January, when 4.7% of flights were cancelled.
  • Flights scheduled to depart before 6 am were the most punctual (83.4% on time); flights scheduled to depart 6 pm to 7 pm were the least (51.1%).
  • In the other direction, Miami (MIA) to Dallas/Fort Worth (DFW), 72.8% of flights were on time and 2.4% were cancelled. Compare airlines MIA to DFW.

Best and worst months to fly DFW to MIA

Jan 66.2%
Feb 77.5%
Mar 64.0%
Apr 69.6%
May 64.1%
Jun 60.0%
Jul 57.4%
Aug 59.6%
Sep 74.4%
Oct 74.0%
Nov 77.2%
Dec 73.7%
Share of scheduled flights on time 12-month average 67.5%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 66.2% 1,274
February 77.5% 1,142
March 64.0% 1,248
April 69.6% 1,122
May 64.1% 1,239
June 60.0% 1,216
July 57.4% 1,260
August 59.6% 1,257
September 74.4% 1,112
October 74.0% 1,197
November 77.2% 1,234
December 73.7% 1,237
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
Spirit Airlines November (86.3%) March (58.8%)
Frontier Airlines May (69.8%) September (32.8%)
American Airlines February (77.8%) July (56.8%)

Month by month, last 12 months

Sep 74.3%
Oct 72.4%
Nov 69.4%
Dec 69.2%
Jan 66.3%
Feb 73.1%
Mar 67.2%
Apr 76.3%
May 71.1%
Jun 56.2%
Jul 51.6%
Aug 63.2%
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 74.3% 404
Oct 2025 72.4% 416
Nov 2025 69.4% 421
Dec 2025 69.2% 399
Jan 2026 66.3% 436
Feb 2026 73.1% 360
Mar 2026 67.2% 402
Apr 2026 76.3% 379
May 2026 71.1% 398
Jun 2026 56.2% 384
Jul 2026 51.6% 403
Aug 2026 63.2% 402

Best and worst departure times

<6a 83.4%
6a 75.8%
7a 77.7%
8a 81.4%
9a 71.7%
10a 75.8%
11a Insufficient sample
12p 66.2%
1p 74.1%
2p 51.8%
3p 57.3%
4p 63.9%
5p 70.9%
6p 51.1%
7p 58.2%
8p 52.5%
9p 54.3%
10p Insufficient sample
Share of scheduled flights on time
By scheduled local departure hour at DFW, 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 83.4% 435
Departing 6 am to 7 am 75.8% 318
Departing 7 am to 8 am 77.7% 381
Departing 8 am to 9 am 81.4% 296
Departing 9 am to 10 am 71.7% 173
Departing 10 am to 11 am 75.8% 462
Departing 11 am to noon Insufficient sample 24
Departing noon to 1 pm 66.2% 263
Departing 1 pm to 2 pm 74.1% 135
Departing 2 pm to 3 pm 51.8% 257
Departing 3 pm to 4 pm 57.3% 321
Departing 4 pm to 5 pm 63.9% 330
Departing 5 pm to 6 pm 70.9% 254
Departing 6 pm to 7 pm 51.1% 317
Departing 7 pm to 8 pm 58.2% 352
Departing 8 pm to 9 pm 52.5% 301
Departing 9 pm to 10 pm 54.3% 184
Departing 10 pm to 11 pm Insufficient sample 1
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 Dallas/Fort Worth, TX (DFW) to Miami, FL (MIA), 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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