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Route · ATL → BMI · 2020–2025 BTS data

Atlanta to Bloomington/Normal

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to BMI (Atlanta to Bloomington/Normal) ranks #3013 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.1%
On-time
+8.1 pts
vs US avg
101 min
Delay when late
3,738
Flights
#3013 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Oct 2024 95%

Worst Month

Jul 2025 58%

Distance

533 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Aug 2025 62 13 0 0 OO
Jul 2025 57 24 0 1 OO
Dec 2024 63 9 0 0 9E
Nov 2024 58 4 0 0 9E
Oct 2024 62 3 0 0 9E
Sep 2024 60 3 1 0 9E
Aug 2024 62 8 1 0 9E
Jul 2024 62 18 3 1 9E
Jun 2024 60 8 0 0 9E
May 2024 62 11 0 0 9E
Apr 2024 60 7 0 0 9E
Mar 2024 62 10 0 0 9E
Feb 2024 58 6 0 0 9E
Jan 2024 62 17 2 1 9E
Dec 2023 62 4 0 0 9E
Nov 2023 59 5 0 0 9E,OO
Oct 2023 62 9 0 0 9E,OO
Sep 2023 58 3 0 0 9E,OO
Aug 2023 62 14 1 1 OO
Jul 2023 62 11 0 0 OO
Jun 2023 60 10 0 0 OO
May 2023 62 4 0 1 OO
Apr 2023 60 10 0 0 OO
Mar 2023 62 16 1 0 OO

ATL–BMI seasonal on-time pattern

Best: September (91.7%) · weakest: July (75.0%)

70%75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 87.3%

Strongest calendar month

September

91.7% on-time · ~60 flights/mo

Busiest calendar month

March

~68 flights/mo avg

Weakest calendar month

July

75.0% on-time · ~57 flights/mo

Cancellation Rate

0.6%

9 of 1,459 flights

Diversion Rate

0.3%

5 of 1,459 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

BMI - Bloomington/Normal

Full on-time, delay-cause, and seasonal performance for Bloomington/Normal, IL.

BMI on-time profile

Compare the two airports

See ATL and BMI side by side on delays, cancellations, and reliability.

Compare ATL vs BMI

Origin-hub reliability standing

Among ATL's stronger departures

ATL → BMI posts a 87.1% on-time rate, landing in the ≥85% band with 67 of 144 BTS-tracked routes leaving Atlanta. The same hub also shows 75 mid-band and 2 challenged departures · fleet-wide on-time rank #605 of 4927 (highest on-time = #1).

What the Data Says About ATL to BMI

Atlanta to Bloomington/Normal (ATL to BMI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.1% on-time rate across 3,738 flights, with delays that do happen averaging 100.7 minutes. The corridor runs roughly 533 miles and is served by 4 carriers. Over the most recent 24 months, 9 of 1,459 flights were cancelled (0.6%) and 5 diverted (0.3%).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 95% on-time, while Jul 2025 came in at just 58% - a 37-point swing worth factoring into travel timing.

On the multi-year calendar, ATL–BMI peaks in September at 91.7% on-time while March carries the heaviest traffic (~68 flights per month) ; the softest month is July at 75.0%, a 16.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ATL to BMI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ATL to BMI ranks #3013 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from ATL to BMI? ▼
Flights from Atlanta to Bloomington/Normal have a 87.1% on-time rate based on 3,738 flights. The average delay is 100.7 minutes. The best recent month was Oct 2024 with 95% on-time.
What is the cancellation rate for ATL to BMI? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (9 of 1,459 flights) and 0.3% were diverted.
How far is the flight from ATL to BMI? ▼
The flight distance from Atlanta (ATL) to Bloomington/Normal (BMI) is approximately 533 miles. This route is served by 4 carriers.
When is the best time to fly from ATL to BMI? ▼
The best recent month for on-time performance was Oct 2024 (95% on-time). The worst was Jul 2025 (58% on-time). Consider booking during months with historically better performance.

Airports on this route

ATL Airport

Atlanta
BMI Airport

Bloomington/Normal
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using ATL–BMI data

ATL–BMI runs 8.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare ATL and BMI airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
  • If your dates flex, September (91.7% on-time) beats July (75.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.1% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

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

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.