Best Time to Fly BHM to MIA: On-Time Stats by Hour & Airline
Birmingham-Shuttlesworth International → Miami International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 85.6% of Birmingham (BHM) to Miami (MIA) flights arrived on time (651 scheduled flights). That is 8.0 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 (88% on time) and July the worst month (68%).
The cancellation rate was 0.6% (US average 1.8%).
BHM 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 | 85.6% | 57 min | 0.6% | 643 |
| American Airlines | Limited data | 1 | ||
| Republic Airways | Limited data | 7 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BHM to MIA
On-time arrival % by scheduled departure hour (local time), 1,393 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 92.0% | 0.0% | 50 |
| 6am–7am | 88.6% | 0.9% | 682 |
| 8am–9am | Limited data | 1 | |
| 9am–10am | 87.5% | 0.0% | 33 |
| 10am–11am | 90.3% | 2.1% | 97 |
| 11am–12pm | Limited data | 28 | |
| 12pm–1pm | Limited data | 1 | |
| 1pm–2pm | Limited data | 1 | |
| 3pm–4pm | Limited data | 5 | |
| 4pm–5pm | Limited data | 1 | |
| 5pm–6pm | 58.5% | 1.5% | 66 |
| 6pm–7pm | 73.2% | 1.7% | 362 |
| 7pm–8pm | 64.6% | 1.5% | 66 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BHM 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 | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 87.7% | +3.4 pts | 0.0% | 57 |
| Summer peak (Jun 15 - Aug 15) | 73.3% | -11.0 pts | 1.1% | 275 |
| All other days | 84.3% | — | 1.3% | 1,035 |
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).