DAL to MIA flight delays & on-time performance
Nonstop flights from Dallas Love Field to Miami International Airport · 1,109 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DAL or MIA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Dallas (DAL) to Miami (MIA) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.2% were cancelled, and 11% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (94% on time); around 1pm did worst (52%).
- Thursday was the most reliable day to fly (79% on time) and Tuesday the least (57%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (39%).
Which airline is most on time from DAL to MIA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 70% | 2.2% | 21 min | 11.1% | 417 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am94%17 flights
- 7am70%30 flights
- 9am81%32 flights
- 10am91%24 flights
- 11am63%37 flights
- 12pm58%48 flights
- 1pm52%52 flights
- 2pm72%55 flights
- 3pm68%22 flights
- 4pm75%26 flights
- 5pm82%22 flights
- 6pm62%22 flights
- 7pm83%24 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%1.9% cancelled
- Tuesday57%4.1% cancelled
- Wednesday67%2.0% cancelled
- Thursday79%0.0% cancelled
- Friday67%1.9% cancelled
- Saturday70%3.5% cancelled
- Sunday74%1.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)39%
- Late-arriving aircraft33%
- Air traffic control & airport congestion23%
- Extreme weather4%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Air traffic control & airport congestion33%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
DAL to MIA: common questions
- How often are DAL to MIA flights on time?
- 70% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Dallas to Miami cancelled?
- 2.2% of scheduled flights were cancelled (9 of 417).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 65 min behind schedule on average, and 11.1% of flights were an hour or more late.
- How long is taxi time at DAL?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MIA to DAL — 69% on time
More flights from Dallas
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DAL → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.