FlightRecord

Central Illinois Regional Airport at Bloomington-Normal (BMI): Delays & On-Time Performance

Data through July 2026

Central Illinois Regional Airport at Bloomington-Normal (BMI) is a tale of two seasons: departures ran 94% on-time in September 2024 but sank to 75% in July 2025. Across the year it averages 85% against a national 78%, over roughly 5 departures a day to 7 destinations.

Departures on-time
85%
left <15 min late
Avg dep delay
16 min
Arrivals on-time
81%
Cancelled
1.6%
Destinations
7
nonstop
Airlines
5

Plan your departure from BMI

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

Best departure time
Around 7 a.m.
96% on-time
Best day to fly
Tuesday
88% on-time
Most reliable airline here
Endeavor Air
90% on-time from BMI
Cancellation risk
1.6%
close to the US average

Monthly on-time trend

Monthly departure on-time percentage at BMI50%75%100%August 2024: 89% on-time (151 flights)89Aug 2024September 2024: 94% on-time (138 flights)94October 2024: 94% on-time (141 flights)94November 2024: 87% on-time (135 flights)87Nov 2024December 2024: 89% on-time (149 flights)89January 2025: 90% on-time (82 flights)90February 2025: 85% on-time (72 flights)85Feb 2025March 2025: 87% on-time (80 flights)87April 2025: 80% on-time (130 flights)80May 2025: 86% on-time (169 flights)86May 2025June 2025: 83% on-time (150 flights)83July 2025: 75% on-time (204 flights)75August 2025: 85% on-time (204 flights)85Aug 2025September 2025: 89% on-time (157 flights)89October 2025: 90% on-time (145 flights)90November 2025: 87% on-time (163 flights)87Nov 2025December 2025: 82% on-time (166 flights)82January 2026: 84% on-time (138 flights)84February 2026: 90% on-time (149 flights)90Feb 2026March 2026: 81% on-time (186 flights)81April 2026: 83% on-time (176 flights)83May 2026: 87% on-time (181 flights)87May 2026June 2026: 77% on-time (144 flights)77July 2026: 81% on-time (144 flights)81

Best time of day to depart from BMI

On-time percentage by scheduled departure hour at BMI5 a.m.: 92% on-time (263 flights)56 a.m.: 93% on-time (1,037 flights)67 a.m.: 96% on-time (158 flights)78 a.m.: 81% on-time (208 flights)89 a.m.: 84% on-time (118 flights)911 a.m.: 79% on-time (205 flights)112 p.m.: 81% on-time (228 flights)143 p.m.: 84% on-time (896 flights)154 p.m.: 78% on-time (226 flights)168 p.m.: 54% on-time (106 flights)20scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday83%17 min
Tuesdaybest88%14 min
Wednesday86%15 min
Thursday82%22 min
Friday82%17 min
Saturday82%11 min
Sunday79%18 min

Next: compare the busiest routes from BMI ↓

Busiest routes from BMI

RouteFlights/12moOn-timeAvg delay
BMI → ORD (Chicago)87983%17 min
BMI → DFW (Dallas/Fort Worth)72787%11 min
BMI → SFB (Sanford)12664%38 min
BMI → PIE (St. Petersburg)11176%26 min

Compare airlines departing BMI ↓

Where flights into BMI come from

RouteFlights/12moOn-timeAvg delay
ORD (Chicago) → BMI87978%15 min
DFW (Dallas/Fort Worth) → BMI72784%11 min
SFB (Sanford) → BMI12673%26 min
PIE (St. Petersburg) → BMI11188%11 min

Most reliable routes

  1. BMI → DFW87%
  2. BMI → ORD83%
  3. BMI → PIE76%
  4. BMI → SFB64%

Most delay-prone routes

  1. BMI → SFB64%
  2. BMI → PIE76%
  3. BMI → ORD83%
  4. BMI → DFW87%

What causes delays at BMI

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

  • Late-arriving aircraft39%
  • Airline operations31%
  • National airspace system15%
  • Weather15%

Alternative airports near Bloomington/Normal

Other airports within 120 miles, compared on departure reliability.

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

Airline performance at BMI

AirlineOn-time departuresAvg delayFlights
Endeavor Air90%12 min367
Envoy Air87%12 min2,663
SkyWest Airlines80%27 min143
Allegiant Air72%32 min519

Frequently asked questions

How often are flights delayed at BMI?
15% of departures from Central Illinois Regional Airport at Bloomington-Normal left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 16 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from BMI?
Flights scheduled around 7 a.m. depart on time 96% of the time at BMI, versus 54% around 8 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at BMI?
In this dataset, July 2025 was the weakest month at BMI, with 75% of departures on time.
How often are flights cancelled at BMI?
1.6% of scheduled departures from BMI were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 3,716 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.