Best Time to Fly XNA to MIA: On-Time Stats by Hour & Airline
Northwest Arkansas National → Miami International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 92.4% of Fayetteville (XNA) to Miami (MIA) flights arrived on time (294 scheduled flights). That is 14.8 points above the national average of 77.6%.
Envoy Air was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (96% on time) and June the worst month (81%).
The cancellation rate was 1.0% (US average 1.8%).
XNA 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 |
|---|---|---|---|---|
| Envoy Air | 93.5% | 78 min | 1.1% | 280 |
| Republic Airways | Limited data | 14 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly XNA to MIA
On-time arrival % by scheduled departure hour (local time), 447 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 88.3% | 0.0% | 214 |
| 6am–7am | 93.2% | 0.0% | 117 |
| 7am–8am | 90.1% | 2.9% | 104 |
| 8am–9am | Limited data | 1 | |
| 12pm–1pm | Limited data | 1 | |
| 3pm–4pm | Limited data | 9 | |
| 5pm–6pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on XNA 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) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 90.0% | +0.8 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 88.6% | -0.6 pts | 0.0% | 114 |
| All other days | 89.2% | — | 1.0% | 289 |
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).