FlightRecord

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

Data through May 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 6 departures a day to 7 destinations.

Departures on-time
85%
left <15 min late
Avg dep delay
15 min
Arrivals on-time
82%
Cancelled
1.5%
Destinations
7
nonstop
Airlines
5

Monthly on-time trend

Monthly departure on-time percentage at BMI50%75%100%June 2024: 80% on-time (158 flights)80Jun 2024July 2024: 76% on-time (162 flights)76August 2024: 89% on-time (151 flights)89September 2024: 94% on-time (138 flights)94Sep 2024October 2024: 94% on-time (141 flights)94November 2024: 87% on-time (135 flights)87December 2024: 89% on-time (149 flights)89Dec 2024January 2025: 90% on-time (82 flights)90February 2025: 85% on-time (72 flights)85March 2025: 87% on-time (80 flights)87Mar 2025April 2025: 80% on-time (130 flights)80May 2025: 86% on-time (169 flights)86June 2025: 83% on-time (150 flights)83Jun 2025July 2025: 75% on-time (204 flights)75August 2025: 85% on-time (204 flights)85September 2025: 89% on-time (157 flights)89Sep 2025October 2025: 90% on-time (145 flights)90November 2025: 87% on-time (163 flights)87December 2025: 82% on-time (166 flights)82Dec 2025January 2026: 84% on-time (138 flights)84February 2026: 90% on-time (149 flights)90March 2026: 81% on-time (186 flights)81Mar 2026April 2026: 83% on-time (176 flights)83May 2026: 87% on-time (181 flights)87

Best time of day to depart from BMI

On-time percentage by scheduled departure hour at BMI5 a.m.: 93% on-time (202 flights)56 a.m.: 92% on-time (1,008 flights)67 a.m.: 95% on-time (188 flights)78 a.m.: 81% on-time (220 flights)89 a.m.: 85% on-time (100 flights)911 a.m.: 79% on-time (204 flights)112 p.m.: 81% on-time (228 flights)143 p.m.: 83% on-time (961 flights)154 p.m.: 78% on-time (166 flights)168 p.m.: 55% on-time (115 flights)20scheduled departure hour

Busiest routes from BMI

RouteFlights/12moOn-timeAvg delay
BMIORD88083%16 min
BMIDFW73087%10 min
BMIATL14386%15 min
BMISFB12769%31 min
BMIPIE11175%31 min

Most reliable routes

  1. BMIDFW87%
  2. BMIATL86%
  3. BMIORD83%
  4. BMIPIE75%
  5. BMISFB69%

Most delay-prone routes

  1. BMISFB69%
  2. BMIPIE75%
  3. BMIORD83%
  4. BMIATL86%
  5. BMIDFW87%

Airline performance at BMI

AirlineOn-time departuresAvg delayFlights
Endeavor Air91%11 min427
Envoy Air87%12 min2,479
SkyWest Airlines80%27 min143
Allegiant Air73%32 min496

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 2024-06 and 2026-05, with an average departure delay of 15 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 95% of the time at BMI, versus 55% 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?
1.5% of scheduled departures from BMI were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 3,586 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.