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Route · SFB → GRR · 2020–2025 BTS data

Sanford to Grand Rapids

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFB to GRR (Sanford to Grand Rapids) ranks #4200 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

69%
On-time
-10 pts
vs US avg
82 min
Delay when late
1,438
Flights
#4200 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Mar 2025 87%

Worst Month

Mar 2022 45%

Distance

1,001 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 45 14 0 0 G4
Oct 2025 34 12 0 0 G4
Jul 2025 35 18 0 0 G4
Jun 2025 34 11 0 0 G4
May 2025 32 13 0 0 G4
Apr 2025 43 12 0 0 G4
Mar 2025 52 7 0 0 G4
Feb 2025 39 15 0 0 G4
Jan 2025 36 12 0 0 G4
Dec 2024 44 8 0 0 G4
Jun 2024 30 9 0 0 G4
Apr 2024 32 4 0 0 G4
Mar 2024 42 16 0 0 G4
Feb 2024 38 10 0 0 G4
Jan 2024 30 8 0 0 G4
Dec 2023 31 4 0 0 G4
Jul 2023 32 13 0 0 G4
Apr 2023 34 4 0 0 G4
Mar 2023 41 10 0 0 G4
Feb 2023 36 7 1 0 G4
Dec 2022 33 14 1 0 G4
Apr 2022 31 18 0 0 G4
Mar 2022 51 28 4 0 G4
Feb 2022 39 21 1 0 G4

SFB–GRR seasonal on-time pattern

Best: May (77.2%) · weakest: July (49.1%)

40%50%60%70%80% JanFebMarAprMayJunJulOctDec 70.4%

Strongest calendar month

May

77.2% on-time · ~38 flights/mo

Busiest calendar month

March

~49 flights/mo avg

Weakest calendar month

July

49.1% on-time · ~37 flights/mo

Cancellation Rate

0.8%

7 of 894 flights

Diversion Rate

0.0%

0 of 894 flights

Origin-hub reliability standing

Softer reliability from SFB

Among 5 routes leaving SFB, only 4 (including this one) clear below 75% on-time, while 0 stay ≥85% and 1 sit mid-band. Travelers comparing SFB options should weigh this 69% print against those peers · fleet on-time rank #4858 of 4927.

What the Data Says About SFB to GRR

On-time performance on the SFB to GRR pairing (Sanford to Grand Rapids) trails a chunk of the network: 69% of 1,438 tracked flights arrived on schedule, with a 82.3-minute average delay on the ones that ran late. The route spans about 1,001 miles across 1 carrier. Cancellations over the trailing 24 months hit 0.8% (7 of 894 flights), with 0.0% diverted.

The monthly split is wide on this route: Mar 2025 posted the strongest performance at 87% on-time, while Mar 2022 came in at just 45% - a 41-point swing worth factoring into travel timing.

On the multi-year calendar, SFB–GRR peaks in May at 77.2% on-time while March carries the heaviest traffic (~49 flights per month) ; the softest month is July at 49.1%, a 28.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SFB to GRR rank among US routes by traffic?
According to PlainFlights' route traffic ranking, SFB to GRR ranks #4200 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SFB to GRR?
Flights from Sanford to Grand Rapids have a 69% on-time rate based on 1,438 flights. The average delay is 82.3 minutes. The best recent month was Mar 2025 with 87% on-time.
What is the cancellation rate for SFB to GRR?
Over the last 24 months, 0.8% of flights on this route were cancelled (7 of 894 flights) and 0.0% were diverted.
How far is the flight from SFB to GRR?
The flight distance from Sanford (SFB) to Grand Rapids (GRR) is approximately 1,001 miles. This route is served by 1 carrier.
When is the best time to fly from SFB to GRR?
The best recent month for on-time performance was Mar 2025 (87% on-time). The worst was Mar 2022 (45% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using SFB–GRR data

SFB–GRR sits 10 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.

  • Compare SFB and GRR airport profiles: delay causes and top routes differ even on the same corridor. SFB airport
  • If your dates flex, May (77.2% on-time) beats July (49.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 69% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.