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Airport · BMI · Bloomington/Normal, Illinois

Bloomington/Normal, IL

According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Bloomington/Normal, IL (BMI) ranks #191 of 382 tracked US airports by total flights (most flights = #1). Bloomington/Normal, IL posts above-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.

Data updated 2026-06-13

85.2%
On-time
Top 31%
on-time, US airports
88 min
Delay when late
1.18%
Cancelled
#191 of 382
Corpus placement
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BMI on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%85.2%

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 169,387.

Late Aircraft 37.0% (62,634 min)
Carrier 33.0% (55,889 min)
NAS (National Aviation System) 15.9% (26,903 min)
Weather 13.3% (22,583 min)
Security 0.8% (1,378 min)

BMI - seasonal on-time pattern

Best: September (94.7%) · worst: July (90.5%)

90%91%92%93%94%95% JanFebMarAprMayJunJulAugSepOctNovDec 92.2%

BMI - on-time rate by year

2020–2025, year-over-year trend.

91%92%93%94%95%96% 202020212022202320242025 95.1% 92.2% ▼ -3.0%

BMI - taxi-out and taxi-in (monthly)

Average taxi-out 15.7 min · taxi-in 5.1 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).

10 min15 min20 min25 min Jan 24Dec 25 21.6 min 21.5 min ▼ -0.5%

BMI's average taxi-out (15.7 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 12.5 min (October 2024) to 21.6 min (January 2024).

Cancellation & Diversion Analysis

Flight disruption statistics for Bloomington/Normal, IL.

Cancellation Rate

1.18%

297 of 25,097 flights

Diversion Rate

0.11%

27 of 25,097 flights

Delay Rate

14.8%

3,721 of 25,097 flights

Top Routes from BMI

Busiest routes to and from Bloomington/Normal, IL.

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Nationwide peers by on-time rate & flight volume

Two PlainFlights-derived comparison paths for Bloomington/Normal, IL, both outside Illinois so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.

BMI delay-share reading

The standout signal at Bloomington/Normal, IL is the delay mix: Late Aircraft owns 37.0% of 169,387 delay minutes across 25,097 BTS flights. The on-time headline is 85.2% (6.2 pts above the 79% national average), with 3,721 delayed and 297 cancelled (1.18%).

Delay minutes concentrate in Late Aircraft (37.0% late-aircraft, 33.0% carrier, 15.9% NAS, 13.3% weather, 0.8% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.

On the multi-year calendar, BMI is strongest in September (94.7% on-time) and weakest in July (90.5%), a 4.2-point swing. Volume peaks in July (~395 flights/month). The busiest connecting route is to DFW (Dallas/Fort Worth) at 80.7% on-time. Field definitions: on-time performance explained.

Statewide aggregates for Illinois: Illinois flight data.

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Using BMI's data

BMI's on-time book is stronger than most peers; the remaining risk sits in the delay mix, not a weak headline rate.

  • Check the busiest route from BMI before you book a connection. See top routes
  • Travel in September rather than July if your dates are flexible. Seasonal patterns
  • Gate-to-wheels taxi-out averages 15.7 min here; check the monthly series before a tight connection. Taxi times

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.