Route Reliability
Grand Rapids → Sanford
GRR–SFB · 1,001 miles · Gerald R. Ford International Airport to Orlando Sanford International Airport
- 70%
- Arrive within 15 minutes
- 17 min
- Average arrival delay
- 0.2%
- Cancelled
- 412
- Flights in the data
Data through May 2026.
Allegiant Air is the only airline in this data on this route, arriving on time 70% of the time across 412 flights. No comparison to make.
What the data says
Morning-you made the right choice.
GRR–SFB flights departing between 6–9 AM arrived on time 86% of the time, versus 25% between 9 PM–12 AM.
Mondays have been rough.
GRR–SFB flights arrived on time 88% of the time on Wednesdays and just 59% on Mondays. That gap is worth planning around.
It basically never cancels.
Out of 412 scheduled flights, only 0.2% were cancelled.
Trending in the right direction.
GRR–SFB flights arrived on time 85% of the time over the last three months in the data, compared with 72% in the three months before that.
Flights on this route
The breakdown
- Mon59%(59 flights)
- Tue71%(42 flights)
- Wed88%(48 flights)
- Thu73%(64 flights)
- Fri70%(59 flights)
- Sat65%(72 flights)
- Sun65%(66 flights)
- 6–9 AM86%(77 flights)
- 9 AM–12 PM80%(71 flights)
- 12–3 PM68%(66 flights)
- 3–6 PM69%(116 flights)
- 6–9 PM55%(56 flights)
- 9 PM–12 AM25%(24 flights)
Jun 65% → May 89% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 34 |
| July 2025 | 37% | 35 |
| August 2025 | 52% | 25 |
| September 2025 | 65% | 20 |
| October 2025 | 71% | 34 |
| November 2025 | 59% | 29 |
| December 2025 | 71% | 45 |
| January 2026 | 53% | 32 |
| February 2026 | 92% | 36 |
| March 2026 | 82% | 50 |
| April 2026 | 83% | 42 |
| May 2026 | 89% | 28 |
Same trip, other airports
Keep nerding
Based on 412 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.