Allegiant Air is the most reliable airline on the GRR to SFB route with a 76% on-time rate. Based on 1,382 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: GRR to SFB
Grand Rapids to Sanford — airline reliability comparison
On-Time Rate by Airline
Allegiant Air76%
GRR to SFB Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 76% | 0.5% | 84m | 1,382 |
Route Overview
76%
Overall On-Time
86m
Avg Delay
0.5%
Cancel Rate
1,382
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.