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Airport Reliability

BMI · Bloomington/Normal

Bloomington/Normal, IL (BMI)

84%
Departures within 15 minutes
11 min
Average departure delay
79%
Arrivals within 15 minutes
1.8%
Departures cancelled

Based on 2,689 departures and 2,689 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from BMI departing between 6–9 AM arrived on time 90% of the time, versus 61% between 6–9 PM.

Monday is the weak spot.

Departures from BMI arrived on time 88% of the time on Tuesdays. On Mondays: 80%.

When BMI gets messy

On-time by departure window
  • 3–6 AM87%(171 flights)
  • 6–9 AM90%(957 flights)
  • 9 AM–12 PM79%(251 flights)
  • 12–3 PM81%(291 flights)
  • 3–6 PM80%(803 flights)
  • 6–9 PM61%(136 flights)
  • 9 PM–12 AM67%(21 flights)
On-time by weekday
  • Mon80%(409 flights)
  • Tue88%(351 flights)
  • Wed86%(345 flights)
  • Thu84%(391 flights)
  • Fri83%(400 flights)
  • Sat81%(338 flights)
  • Sun81%(396 flights)
On-time trend by month
86%
May

Jun 81% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%203
July 202574%205
August 202588%200
September 202590%196
October 202585%206
November 202582%203
December 202575%224
January 202685%191
February 202688%204
March 202679%264
April 202685%261
May 202686%273

Airlines departing BMI

Busiest routes from BMI

Based on 2,689 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.