Route Reliability

Airport reliability

Bloomington/Normal (BMI) on-time performance

How reliably flights leave Bloomington/Normal, IL (BMI) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Bloomington/Normal, IL1,891 departures in 12 months

Check a route

Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Departures on time
80.5%
U.S. average 75.6%
Cancelled
2.2%
U.S. average 1.9%
60+ minutes late
8.1%
U.S. average 8.1%
Scheduled departures
1,891
12 months

What this means

BMI departures beat the U.S. average.

  • 80.5% of the 1,891 scheduled departures from Bloomington/Normal (BMI) arrived at their destination on time, 4.9 points higher than the U.S. average of 75.6%.
  • 2.2% of departures were cancelled (U.S. average 1.9%), and 8.1% arrived an hour or more late.
  • Flights arriving at BMI were on time 78.1% of the time.
  • Over the last 3 years, September was the most reliable month for departures from BMI (88.4% on time) and January the least reliable (73.6%).
  • Cancellations peaked in January, when 5.0% of flights were cancelled.
  • Flights scheduled to depart 6 am to 7 am were the most punctual (91.2% on time); flights scheduled to depart 11 am to noon were the least (73.1%).

Airlines at BMI

Ranked by on-time arrival

Departures from BMI, September 2025 to August 2026. On time means arrived at the destination within 15 minutes of schedule.
AirlineOn timeCancelled 60+ min lateAvg delay when lateDepartures
Envoy AirSold as American Eagle 82.7%2.6% 7.2%98 min 1,606
Allegiant Air 66.0%0.0% 13.6%89 min 265
SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska Insufficient sample 20

Tap a heading to sort.

On-time rate by departure hour

<6a 86.4%
6a 91.2%
7a Insufficient sample
8a 76.4%
9a 81.2%
10a Insufficient sample
11a 73.1%
12p Insufficient sample
1p Insufficient sample
2p 84.6%
3p 83.4%
4p 79.7%
5p Insufficient sample
6p 72.5%
7p Insufficient sample
8p 45.6%
9p Insufficient sample
Share of scheduled flights on time BMI average 80.5%
Departures from BMI by scheduled local departure hour, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am 86.4% 265
Departing 6 am to 7 am 91.2% 430
Departing 7 am to 8 am Insufficient sample 5
Departing 8 am to 9 am 76.4% 72
Departing 9 am to 10 am 81.2% 96
Departing 10 am to 11 am Insufficient sample 27
Departing 11 am to noon 73.1% 167
Departing noon to 1 pm Insufficient sample 5
Departing 1 pm to 2 pm Insufficient sample 25
Departing 2 pm to 3 pm 84.6% 136
Departing 3 pm to 4 pm 83.4% 271
Departing 4 pm to 5 pm 79.7% 138
Departing 5 pm to 6 pm Insufficient sample 37
Departing 6 pm to 7 pm 72.5% 80
Departing 7 pm to 8 pm Insufficient sample 48
Departing 8 pm to 9 pm 45.6% 68
Departing 9 pm to 10 pm Insufficient sample 21

Best and worst months at BMI

Jan 73.6%
Feb 85.3%
Mar 79.7%
Apr 81.4%
May 80.7%
Jun 77.9%
Jul 75.7%
Aug 84.5%
Sep 88.4%
Oct 87.2%
Nov 82.8%
Dec 80.7%
Share of scheduled flights on time 12-month average 80.5%
Departures from BMI by calendar month, September 2023 to August 2026 pooled. Scale starts at zero.
Show as table
PeriodOn timeFlights
January 73.6% 363
February 85.3% 354
March 79.7% 408
April 81.4% 446
May 80.7% 508
June 77.9% 452
July 75.7% 510
August 84.5% 497
September 88.4% 440
October 87.2% 429
November 82.8% 435
December 80.7% 457

Month by month, last 12 months

Sep 86.6%
Oct 80.7%
Nov 76.1%
Dec 73.5%
Jan 81.2%
Feb 89.3%
Mar 76.3%
Apr 80.7%
May 86.7%
Jun 72.2%
Jul 81.2%
Aug 81.7%
Share of scheduled flights on time U.S. average 75.6%
Departures from BMI, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 86.6% 157
Oct 2025 80.7% 145
Nov 2025 76.1% 163
Dec 2025 73.5% 166
Jan 2026 81.2% 138
Feb 2026 89.3% 149
Mar 2026 76.3% 186
Apr 2026 80.7% 176
May 2026 86.7% 181
Jun 2026 72.2% 144
Jul 2026 81.2% 144
Aug 2026 81.7% 142

Busiest routes from BMI

Nonstop routes from BMI by scheduled flights, September 2025 to August 2026.
ToOn timeCancelledAirlinesFlights
Chicago (ORD) 78.7%3.5%1879
Dallas/Fort Worth (DFW) 87.5%1.5%1727
Sanford (SFB) 57.9%0.0%1126
St. Petersburg (PIE) 75.7%0.0%1111
Airliner parked at a terminal gate
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Scheduled nonstop domestic departures from Bloomington/Normal, IL (BMI) by airlines that report to the DOT.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

Independent reference site. No government or airline affiliation or endorsement.