69% of flights from Dallas to Miami arrived on time over the past 12 months. That is worse than the typical U.S. route. 12% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for DAL → MIA: when a flight was late, it was under 45 minutes late 60% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 70 three hours or more; 2.2% were cancelled outright.
- On time or early69%
- 15–30 min late11%
- 30–60 min late7.9%
- 1–2 hours late7.4%
- 2–3 hours late0.7%
- 3+ hours late1.4%
- Diverted0.7%
- Cancelled2.2%
Share of all 417 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| Southwest Airlines | 417 | 69% | 2.2% | +3 min | 9.6% | +59 min | Southwest Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at DAL). Delays build through the day as late planes knock on, so early flights usually do best.
By month
Each calendar month pooled over 2023–2026. Best: January (79%). Worst: May (60%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 53 | — | — |
| Tuesday | 49 | — | — |
| Wednesday | 49 | — | — |
| Thursday | 52 | — | — |
| Friday | 53 | — | — |
| Saturday | 86 | — | — |
| Sunday | 75 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 6 · air traffic/airport 3
Month by month
Not enough months with data to draw a trend.
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Mar 7, 2026 | 3 | 33% | 1 |
| Apr 4, 2026 | 3 | 67% | 0 |
| Dec 13, 2025 | 3 | 67% | 0 |
| Nov 8, 2025 | 3 | 67% | 0 |
| Mar 14, 2026 | 3 | 100% | 0 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Dallas or Miami. None has been clearly more reliable than DAL → MIA.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| DAL → MIA (this route) | 417 | 69% | 2.2% |
| DFW → FLL Dallas/Fort Worth to Fort Lauderdale | 3,143 | 67% | 3.0% |
| DFW → MIA Dallas/Fort Worth to Miami | 4,804 | 67% | 2.4% |
| DAL → FLL Dallas Love Field to Fort Lauderdale | 541 | 60% | 1.1% |
Questions
How often are flights from DAL to MIA on time?
69% of 417 scheduled flights from Dallas, TX to Miami, FL arrived within 15 minutes of schedule between September 2025 and August 2026. 2.2% were cancelled.
What month has the most delays from DAL to MIA?
May (60% on time). The best month is January (79%), over 2023–2026.
Related
- MIA → DAL (return)
- Dallas Love Field (DAL) delays by hour
- Flights into Miami (MIA)
- Southwest Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.