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Airport Reliability

BLV · Belleville

Belleville, IL (BLV)

75%
Departures within 15 minutes
20 min
Average departure delay
78%
Arrivals within 15 minutes
0.6%
Departures cancelled

Based on 1,381 departures and 1,380 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from BLV departing between 9 AM–12 PM arrived on time 84% of the time, versus 59% between 6–9 PM.

Sunday scaries are real for this one.

Departures from BLV arrived on time 89% of the time on Wednesdays and just 66% on Sundays. That gap is worth planning around.

Slipping a little lately.

Departures from BLV arrived on time 71% of the time over the last three months in the data, compared with 75% in the three months before that.

When BLV gets messy

On-time by departure window
  • 6–9 AM81%(112 flights)
  • 9 AM–12 PM84%(371 flights)
  • 12–3 PM74%(228 flights)
  • 3–6 PM66%(253 flights)
  • 6–9 PM59%(310 flights)
  • 9 PM–12 AM67%(97 flights)
On-time by weekday
  • Mon74%(270 flights)
  • Tue79%(66 flights)
  • Wed89%(110 flights)
  • Thu69%(238 flights)
  • Fri73%(272 flights)
  • Sat66%(160 flights)
  • Sun66%(255 flights)
On-time trend by month
63%
May

Jun 68% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%176
July 202567%177
August 202570%135
September 202582%83
October 202572%87
November 202584%77
December 202574%100
January 202679%77
February 202673%85
March 202669%135
April 202680%100
May 202663%139

Airlines departing BLV

Busiest routes from BLV

Based on 1,381 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.