Airport reliability
Sanford (SFB) on-time performance
How reliably flights leave Sanford, FL (SFB) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Sanford, FL10,104 departures in 12 months
- Departures on time
- 69.8% U.S. average 75.6%
- Cancelled
- 0.7% U.S. average 1.9%
- 60+ minutes late
- 12.0% U.S. average 8.1%
- Scheduled departures
- 10,104 12 months
What this means
SFB departures ran below the U.S. average.
- 69.8% of the 10,104 scheduled departures from Sanford (SFB) arrived at their destination on time, 5.8 points lower than the U.S. average of 75.6%.
- 0.7% of departures were cancelled (U.S. average 1.9%), and 12.0% arrived an hour or more late.
- Flights arriving at SFB were on time 63.9% of the time.
- Over the last 3 years, September was the most reliable month for departures from SFB (78.9% on time) and July the least reliable (63.1%).
- Cancellations peaked in October, when 3.1% of flights were cancelled.
- Flights scheduled to depart 6 am to 7 am were the most punctual (89.7% on time); flights scheduled to depart 6 pm to 7 pm were the least (44.2%).
Airlines at SFB
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Allegiant Air | 69.8% | 0.7% | 12.0% | 84 min | 10,104 |
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On-time rate by departure hour
Share of scheduled flights on time SFB average 69.8%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | Insufficient sample | 1 |
| Departing 6 am to 7 am | 89.7% | 1,163 |
| Departing 7 am to 8 am | 86.8% | 851 |
| Departing 8 am to 9 am | 87.8% | 797 |
| Departing 9 am to 10 am | 87.2% | 547 |
| Departing 10 am to 11 am | 83.9% | 490 |
| Departing 11 am to noon | 82.3% | 419 |
| Departing noon to 1 pm | 60.9% | 828 |
| Departing 1 pm to 2 pm | 59.2% | 713 |
| Departing 2 pm to 3 pm | 65.0% | 612 |
| Departing 3 pm to 4 pm | 65.3% | 819 |
| Departing 4 pm to 5 pm | 57.5% | 499 |
| Departing 5 pm to 6 pm | 45.6% | 520 |
| Departing 6 pm to 7 pm | 44.2% | 719 |
| Departing 7 pm to 8 pm | 54.1% | 488 |
| Departing 8 pm to 9 pm | 60.5% | 357 |
| Departing 9 pm to 10 pm | 55.8% | 278 |
| Departing 10 pm to 11 pm | Insufficient sample | 3 |
Best and worst months at SFB
Share of scheduled flights on time 12-month average 69.8%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 74.8% | 2,309 |
| February | 75.2% | 2,329 |
| March | 72.4% | 2,992 |
| April | 75.0% | 2,437 |
| May | 70.9% | 2,499 |
| June | 65.1% | 3,014 |
| July | 63.1% | 3,106 |
| August | 68.0% | 2,260 |
| September | 78.9% | 1,557 |
| October | 74.9% | 2,396 |
| November | 76.4% | 2,196 |
| December | 71.3% | 2,705 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 81.4% | 537 |
| Oct 2025 | 71.4% | 859 |
| Nov 2025 | 71.8% | 773 |
| Dec 2025 | 67.1% | 968 |
| Jan 2026 | 72.6% | 767 |
| Feb 2026 | 71.1% | 767 |
| Mar 2026 | 69.3% | 989 |
| Apr 2026 | 76.3% | 799 |
| May 2026 | 70.5% | 842 |
| Jun 2026 | 63.7% | 1,001 |
| Jul 2026 | 62.3% | 1,025 |
| Aug 2026 | 68.3% | 777 |
Busiest routes from SFB
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Allentown/Bethlehem/Easton (ABE) | 75.1% | 0.3% | 1 | 642 |
| Knoxville (TYS) | 63.5% | 0.6% | 1 | 635 |
| Asheville (AVL) | 71.3% | 0.6% | 1 | 513 |
| Grand Rapids (GRR) | 71.2% | 0.8% | 1 | 396 |
| Cincinnati (CVG) | 64.5% | 0.3% | 1 | 352 |
| Flint (FNT) | 72.6% | 0.3% | 1 | 317 |
| Bangor (BGR) | 81.6% | 1.8% | 1 | 283 |
| Harrisburg (MDT) | 79.9% | 0.4% | 1 | 278 |
| Appleton (ATW) | 74.6% | 1.2% | 1 | 256 |
| South Bend (SBN) | 73.6% | 0.4% | 1 | 250 |
| Indianapolis (IND) | 71.6% | 0.5% | 1 | 222 |
| Lexington (LEX) | 59.0% | 1.9% | 1 | 212 |
| Des Moines (DSM) | 77.3% | 1.0% | 1 | 203 |
| Concord (USA) | 49.5% | 1.0% | 1 | 194 |
| Fort Wayne (FWA) | 80.0% | 0.0% | 1 | 180 |
| Belleville (BLV) | 72.5% | 0.6% | 1 | 171 |
| Pittsburgh (PIT) | 65.3% | 1.8% | 1 | 170 |
| Cedar Rapids/Iowa City (CID) | 82.0% | 0.0% | 1 | 167 |
| Elmira/Corning (ELM) | 76.4% | 0.6% | 1 | 161 |
| Columbus (LCK) | 75.8% | 0.0% | 1 | 161 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Sanford, FL (SFB) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.