Best Time to Fly PHX to MIA: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Miami International
Data through July 2026 · Last updated October 18, 2026
1,832 flights were scheduled from Phoenix (PHX) to Miami (MIA) in the last 12 months, and 78.4% of those that flew arrived on time, 0.7 points above the US average of 77.6%.
American Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (86% on time) and July the worst month (65%).
The cancellation rate was 0.9% (US average 1.8%).
PHX to MIA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| American Airlines | 78.4% | 59 min | 0.9% | 1,832 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to MIA
On-time arrival % by scheduled departure hour (local time), 3,695 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 91.8% | 2.0% | 99 |
| 1am–2am | Limited data | 15 | |
| 5am–6am | Limited data | 1 | |
| 7am–8am | 91.9% | 2.6% | 38 |
| 8am–9am | 75.9% | 0.0% | 321 |
| 9am–10am | 89.1% | 0.5% | 408 |
| 10am–11am | Limited data | 27 | |
| 11am–12pm | 89.0% | 1.3% | 75 |
| 12pm–1pm | 77.0% | 0.7% | 415 |
| 1pm–2pm | 77.0% | 0.0% | 224 |
| 2pm–3pm | 78.2% | 0.5% | 198 |
| 3pm–4pm | 81.4% | 0.6% | 178 |
| 4pm–5pm | 74.2% | 0.5% | 394 |
| 5pm–6pm | 85.0% | 2.4% | 41 |
| 9pm–10pm | 80.7% | 3.1% | 32 |
| 10pm–11pm | 84.3% | 1.3% | 531 |
| 11pm–12am | 85.0% | 0.7% | 698 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHX to MIA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 87.5% | +3.1 pts | 1.4% | 73 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.4% | -7.0 pts | 0.6% | 169 |
| Summer peak (Jun 15 - Aug 15) | 69.5% | -15.0 pts | 1.3% | 597 |
| All other days | 84.4% | — | 0.6% | 2,856 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).