MIA to DAL flight delays & on-time performance
Nonstop flights from Miami International Airport to Dallas Love Field · 1,109 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MIA or DAL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Miami (MIA) to Dallas (DAL) arrived on time 69% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.7% were cancelled, and 9% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (96% on time); around 5pm did worst (35%).
- Monday was the most reliable day to fly (82% on time) and Saturday the least (50%).
- The largest source of delay minutes was late-arriving aircraft (52%).
Which airline is most on time from MIA to DAL?
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 | 69% | 0.7% | 18 min | 9.0% | 419 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am94%36 flights
- 7am96%48 flights
- 9am89%58 flights
- 11am71%38 flights
- 12pm69%66 flights
- 1pm73%26 flights
- 3pm60%48 flights
- 4pm38%21 flights
- 5pm35%51 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday82%1.9% cancelled
- Tuesday81%0.0% cancelled
- Wednesday77%0.0% cancelled
- Thursday74%0.0% cancelled
- Friday76%0.0% cancelled
- Saturday50%1.2% cancelled
- Sunday62%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.
- Late-arriving aircraft52%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion22%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion0%
- Security0%
MIA to DAL: common questions
- How often are MIA to DAL flights on time?
- 69% 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 Miami to Dallas cancelled?
- 0.7% of scheduled flights were cancelled (3 of 419).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 56 min behind schedule on average, and 9.0% of flights were an hour or more late.
- How long is taxi time at MIA?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DAL to MIA — 70% on time
More flights from Miami
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MIA → DAL, nonstop flights by US airlines that report to the DOT. How we calculate this.