Best Time to Fly SFB to RFD: On-Time Stats by Hour & Airline
Orlando Sanford International → Chicago/Rockford International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.7% of Sanford (SFB) to Rockford (RFD) flights arrived on time (154 scheduled flights). That is 3.9 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 (92% on time) and July the worst month (53%).
The cancellation rate was 0.7% (US average 1.8%).
SFB to RFD 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 | 73.7% | 88 min | 0.7% | 154 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SFB to RFD
On-time arrival % by scheduled departure hour (local time), 294 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 89.4% | 2.1% | 48 |
| 7am–8am | 89.4% | 0.0% | 48 |
| 8am–9am | 89.0% | 1.2% | 83 |
| 9am–10am | Limited data | 6 | |
| 10am–11am | Limited data | 4 | |
| 11am–12pm | Limited data | 2 | |
| 12pm–1pm | Limited data | 22 | |
| 2pm–3pm | Limited data | 4 | |
| 3pm–4pm | Limited data | 15 | |
| 4pm–5pm | Limited data | 18 | |
| 5pm–6pm | 16.3% | 2.3% | 44 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SFB to RFD
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 | 5 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 21 | ||
| Summer peak (Jun 15 - Aug 15) | 52.5% | -27.3 pts | 3.2% | 63 |
| All other days | 79.8% | — | 0.5% | 205 |
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).