Best Time to Fly MIA to BHM: On-Time Stats by Hour & Airline
Miami International → Birmingham-Shuttlesworth International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.1% of Miami (MIA) to Birmingham (BHM) flights arrived on time (650 scheduled flights). That is 5.5 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 (86% on time) and June the worst month (66%).
The cancellation rate was 0.6% (US average 1.8%).
MIA to BHM 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 | 83.2% | 43 min | 0.6% | 642 |
| American Airlines | Limited data | 1 | ||
| Republic Airways | Limited data | 7 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MIA to BHM
On-time arrival % by scheduled departure hour (local time), 1,389 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 2 | |
| 8am–9am | 93.2% | 2.6% | 76 |
| 9am–10am | 93.3% | 0.0% | 60 |
| 10am–11am | Limited data | 23 | |
| 1pm–2pm | Limited data | 1 | |
| 2pm–3pm | Limited data | 5 | |
| 3pm–4pm | Limited data | 18 | |
| 4pm–5pm | 76.3% | 2.0% | 151 |
| 5pm–6pm | 69.0% | 0.9% | 343 |
| 7pm–8pm | Limited data | 14 | |
| 8pm–9pm | Limited data | 1 | |
| 9pm–10pm | 100.0% | 0.0% | 33 |
| 10pm–11pm | 81.9% | 0.8% | 657 |
| 11pm–12am | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MIA to BHM
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) | 71.9% | -10.3 pts | 0.0% | 57 |
| Summer peak (Jun 15 - Aug 15) | 71.5% | -10.8 pts | 1.1% | 275 |
| All other days | 82.3% | — | 1.3% | 1,031 |
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).