On-Time Report

Airports › Bloomington/Normal (BMI) › April 2025

Airport month · April 2025

Central Il Regional Airport at Bloomington in April 2025

79.2%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In April 2025, reporting carriers scheduled 130 domestic departures from Central Il Regional Airport at Bloomington (BMI). 79.2% left less than 15 minutes late and 79.2% reached their destination on time; 0.8% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so BMI departures were 1.4 points below the national departure figure.

A year earlier, in April 2024, the airport had 140 departures with 87.9% leaving on time: a change of −8.7 points, with flights down 7%.

Flights arriving at BMI that month were on time 80.2% of the time (131 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, extreme weather 24% and national aviation system 24%.

Every scheduled departure from BMI in April 2025, judged by arrival at the destination.

April 2025 against a year earlier, the airport's year and the nation

MeasureApr 2025Apr 2024BMI, 12 months to Jul 2026All reported flights, Apr 2025
Departed on time79.2%87.9%82.8%80.6%
Arrived on time79.2%84.3%81.0%79.5%
Cancelled0.8%2.1%2.1%0.8%
Average departure delay (late minutes only)12.7 min9.6 min15.6 min14.1 min
Scheduled departures a day45519,465
Scheduled departures1301401,953583,950

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
MQ Envoy Air11488%78.9%2.3 min0.9%
G4 Allegiant Air1612%81.3%13.0 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
BMI–DFWBloomington/Normal to Dallas/Fort Worth6070.0%9.1 min1.7%
BMI–ORDBloomington/Normal to Chicago5488.9%-5.2 min0.0%
BMI–PIEBloomington/Normal to St. Petersburg887.5%-4.1 min0.0%
BMI–SFBBloomington/Normal to Sanford875.0%30.1 min0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), April 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Apr 2025Minutes
Air carrier11.4%32.7%185
Late-arriving aircraft40.8%39.4%662
National Aviation System23.8%22.2%386
Extreme weather24.0%5.5%390
Security0.0%0.2%0
1,623 delay minutes on 26 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← December 2024May 2025 →

Questions and answers

How many flights left BMI on time in April 2025?

79.2% of 130 scheduled domestic departures left less than 15 minutes late, and 79.2% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 87.9% of 140 departures left on time and 2.1% were cancelled, against 79.2% and 0.8% in April 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BMI · methodology · corrections.