BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SFB→GRR

Sanford, FL (SFB) to Grand Rapids, MI (GRR) flight delay odds

69.7% of 406 official scheduled SFB-to-GRR flights arrived on time; 22.7% arrived at least 30 minutes late and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
69.7%arrived on time
22.7%30+ min late
0.5%cancelled
406scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.6%all scheduled flights
120+ minutes late4.4%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+18.5 mincompleted flights

Which departure time was most reliable for SFB to GRR?

Among qualifying SFB-to-GRR departure window results, Early morning had the highest on-time rate: 86.3% of 51 flights. Afternoon was lowest at 59.2% across 103 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning5186.3%11.8%2.0%
Late morning10783.2%8.4%0.0%
Afternoon10359.2%33.0%0.0%
Evening14561.4%29.7%0.7%

Which weekday was most reliable for SFB to GRR?

Among qualifying SFB-to-GRR weekday results, Wednesday had the highest on-time rate: 83.3% of 48 flights. Monday was lowest at 59.3% across 59 flights.

DayFlightsOn time30+ minCancelled
Monday5959.3%33.9%1.7%
Tuesday4178.0%12.2%0.0%
Wednesday4883.3%10.4%0.0%
Thursday6476.6%15.6%0.0%
Friday6070.0%21.7%1.7%
Saturday6866.2%26.5%0.0%
Sunday6660.6%31.8%0.0%

Which airline was most reliable for SFB to GRR?

Only Allegiant Air met the SFB-to-GRR airline threshold: 69.7% of 406 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Allegiant Air40669.7%22.7%0.5%

Which month was most reliable for SFB to GRR?

Among qualifying SFB-to-GRR month results, May 2026 had the highest on-time rate: 92.9% of 28 flights. July 2025 was lowest at 48.6% across 35 flights.

MonthFlightsOn time30+ minCancelled
July 20253548.6%45.7%0.0%
August 20252560.0%40.0%0.0%
September 20252070.0%15.0%0.0%
October 20253464.7%32.4%0.0%
November 20252965.5%27.6%0.0%
December 20254568.9%20.0%0.0%
January 20263259.4%25.0%0.0%
February 20263680.6%13.9%0.0%
March 20265276.9%13.5%1.9%
April 20264283.3%11.9%0.0%
May 20262892.9%3.6%0.0%
June 20262857.1%32.1%3.6%

What drove SFB to GRR delay minutes?

Airline was the largest recorded SFB-to-GRR delay category, accounting for 34.7% of 9,673 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.7%
Late aircraft32.3%
National airspace9.6%
Weather19.0%
Security4.4%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.