Best Time to Fly GRR to SFB: On-Time Stats by Hour & Airline
Gerald R. Ford International → Orlando Sanford International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.0% of Grand Rapids (GRR) to Sanford (SFB) flights arrived on time (400 scheduled flights). That is 5.7 points below the national average of 77.6%.
Allegiant Air was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (79% on time) and July the worst month (52%).
The cancellation rate was 0.8% (US average 1.8%).
GRR to SFB 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 |
|---|---|---|---|---|
| Allegiant Air | 72.0% | 85 min | 0.8% | 400 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GRR to SFB
On-time arrival % by scheduled departure hour (local time), 809 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 3 | |
| 6am–7am | Limited data | 16 | |
| 7am–8am | 86.7% | 0.0% | 60 |
| 8am–9am | 87.4% | 0.0% | 103 |
| 9am–10am | 79.0% | 0.0% | 114 |
| 10am–11am | 82.3% | 0.0% | 34 |
| 11am–12pm | 87.9% | 5.7% | 35 |
| 12pm–1pm | Limited data | 15 | |
| 1pm–2pm | Limited data | 18 | |
| 2pm–3pm | 66.7% | 1.2% | 80 |
| 3pm–4pm | 70.7% | 1.7% | 59 |
| 4pm–5pm | 69.3% | 0.0% | 128 |
| 5pm–6pm | Limited data | 26 | |
| 6pm–7pm | 56.7% | 0.0% | 30 |
| 7pm–8pm | Limited data | 27 | |
| 8pm–9pm | 50.0% | 0.0% | 30 |
| 9pm–10pm | 22.6% | 0.0% | 31 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on GRR to SFB
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 | 21 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 69.8% | -6.9 pts | 0.0% | 64 |
| Summer peak (Jun 15 - Aug 15) | 55.6% | -21.1 pts | 1.6% | 126 |
| All other days | 76.7% | — | 0.7% | 598 |
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).