FlightRecord

Scott AFB/Midamerica Airport (BLV): Delays & On-Time Performance

Data through July 2026

Scott AFB/Midamerica Airport (BLV) is a tale of two seasons: departures ran 80% on-time in April 2026 but sank to 63% in July 2024. Across the year it averages 72% against a national 78%, over roughly 4 departures a day to 12 destinations.

Departures on-time
72%
left <15 min late
Avg dep delay
31 min
Arrivals on-time
76%
Cancelled
1.4%
Destinations
12
nonstop
Airlines
1

Plan your departure from BLV

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 10 a.m.
86% on-time
Best day to fly
Wednesday
86% on-time
Nearest alternative
STL — St. Louis
32 miles away
Cancellation risk
1.4%
below the US average
Check routes from BLV ↓Compare nearby airports ↓

Monthly on-time trend

Monthly departure on-time percentage at BLV50%75%100%August 2024: 71% on-time (105 flights)71Aug 2024September 2024: 85% on-time (66 flights)85October 2024: 88% on-time (78 flights)88November 2024: 84% on-time (73 flights)84Nov 2024December 2024: 62% on-time (88 flights)62January 2025: 68% on-time (66 flights)68February 2025: 76% on-time (79 flights)76Feb 2025March 2025: 64% on-time (145 flights)64April 2025: 74% on-time (92 flights)74May 2025: 72% on-time (137 flights)72May 2025June 2025: 72% on-time (179 flights)72July 2025: 71% on-time (178 flights)71August 2025: 74% on-time (135 flights)74Aug 2025September 2025: 78% on-time (83 flights)78October 2025: 76% on-time (87 flights)76November 2025: 82% on-time (78 flights)82Nov 2025December 2025: 79% on-time (101 flights)79January 2026: 81% on-time (77 flights)81February 2026: 74% on-time (85 flights)74Feb 2026March 2026: 70% on-time (138 flights)70April 2026: 80% on-time (100 flights)80May 2026: 71% on-time (140 flights)71May 2026June 2026: 63% on-time (181 flights)63July 2026: 67% on-time (190 flights)67

Best time of day to depart from BLV

On-time percentage by scheduled departure hour at BLV8 a.m.: 84% on-time (312 flights)89 a.m.: 82% on-time (165 flights)910 a.m.: 86% on-time (306 flights)1011 a.m.: 86% on-time (191 flights)1112 p.m.: 82% on-time (120 flights)121 p.m.: 75% on-time (145 flights)132 p.m.: 65% on-time (169 flights)143 p.m.: 66% on-time (210 flights)154 p.m.: 71% on-time (203 flights)165 p.m.: 63% on-time (184 flights)176 p.m.: 63% on-time (144 flights)187 p.m.: 67% on-time (154 flights)198 p.m.: 54% on-time (264 flights)209 p.m.: 66% on-time (255 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday71%27 min
Tuesday75%24 min
Wednesdaybest86%13 min
Thursday69%30 min
Friday72%35 min
Saturday62%39 min
Sunday63%40 min

Next: compare the busiest routes from BLV ↓

Busiest routes from BLV

RouteFlights/12moOn-timeAvg delay
BLV → VPS (Valparaiso)39470%34 min
BLV → PGD (Punta Gorda)22571%23 min
BLV → PIE (St. Petersburg)17267%46 min
BLV → SFB (Sanford)16660%39 min
BLV → GUF (Gulf Shores)11581%15 min
BLV → SRQ (Sarasota/Bradenton)10882%19 min

Where flights into BLV come from

RouteFlights/12moOn-timeAvg delay
VPS (Valparaiso) → BLV39476%25 min
PGD (Punta Gorda) → BLV22478%18 min
PIE (St. Petersburg) → BLV17274%18 min
SFB (Sanford) → BLV16669%23 min
GUF (Gulf Shores) → BLV11575%28 min
SRQ (Sarasota/Bradenton) → BLV10886%12 min

Most reliable routes

  1. BLV → SRQ82%
  2. BLV → GUF81%
  3. BLV → PGD71%
  4. BLV → VPS70%
  5. BLV → PIE67%

Most delay-prone routes

  1. BLV → SFB60%
  2. BLV → PIE67%
  3. BLV → VPS70%
  4. BLV → PGD71%
  5. BLV → GUF81%

What causes delays at BLV

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing BLV.

  • Late-arriving aircraft52%
  • Airline operations25%
  • National airspace system11%
  • Weather12%

Alternative airports near Belleville

Other airports within 120 miles, compared on departure reliability.

AirportDistanceOn-time departuresAvg delay
STL — St. Louis Lambert International Airport32 mi77%16 min
SPI — Abraham Lincoln Capital Airport90 mi79%20 min
DEC — Decatur Airport103 mi81%26 min

Compare the airport-level record first, then check the exact route you plan to book.

Frequently asked questions

How often are flights delayed at BLV?
28% of departures from Scott AFB/Midamerica Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 31 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from BLV?
Flights scheduled around 10 a.m. depart on time 86% of the time at BLV, versus 54% around 8 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at BLV?
In this dataset, July 2024 was the weakest month at BLV, with 63% of departures on time.
How often are flights cancelled at BLV?
1.4% of scheduled departures from BLV were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 2,831 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.