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Airport · 12 months to July 2026
Central Il Regional Airport at Bloomington: delays and on-time record
Bloomington/Normal, Illinois
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. Data through July 2026; this is a monthly history, not live airport status.
Reporting carriers scheduled 1,953 domestic departures from Central Il Regional Airport at Bloomington (BMI), Bloomington/Normal, in the 12 months to July 2026: about 5 a day to 6 destinations.
82.8% of those flights left the gate less than 15 minutes late, 6.7 points above the national departure figure of 76.1%. Flights arriving at BMI were on time 78.2% of the time, 2.2 points above the national arrival figure of 76.0%.
2.1% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 15.6 min.
Envoy Air is the largest reporting carrier at BMI with 82% of departures. Among carriers with at least 120 departures, Envoy Air had the highest on-time arrival share for its BMI departures (83.1%) and Allegiant Air the lowest (64.9%).
On-time departures are down 2.3 points on the previous 12 months (85.1%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving BMI, late-arriving aircraft 43%, air carrier 22% and extreme weather 20%.
- On time 81.0%
- Arrived 15+ minutes late 16.6%
- Cancelled 2.1%
- Diverted 0.3%
As origin and as destination, against the nation
| Measure | Departures from BMI | Arrivals at BMI | All reported flights | BMI departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 82.8% | 78.4% | 76.1% | 85.1% |
| Arrived on time | 81.0% | 78.2% | 76.0% | 83.1% |
| Cancelled | 2.1% | 2.2% | 1.8% | 0.9% |
| Diverted | 0.3% | 0.3% | 0.3% | 0.3% |
| Average departure delay (late minutes only) | 15.6 min | 14.5 min | 17.4 min | 13.7 min |
| Arrival delay minutes per 100 flights | 1,630 | 1,461 | 1,684 | 1,448 |
| Scheduled flights | 1,953 | 1,952 | 7,043,858 | 1,601 |
12 months to July 2026. The first column follows flights that left BMI; the second follows flights that landed there. Year on year, on-time departures moved −2.3 pts.
Airlines at BMI
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MQ Envoy Air | 1,606 | 82% | 83.1% | 0.2 min | 2.6% |
| G4 Allegiant Air | 265 | 14% | 64.9% | 26.2 min | 0.0% |
| OO SkyWest Airlines | 82 | 4% | 90.2% | -7.1 min | 0.0% |
Departures from BMI by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 81.0%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from BMI
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BMI–ORD | Bloomington/Normal to Chicago | 879 | 79.7% | 7.3 min | 3.4% |
| BMI–DFW | Bloomington/Normal to Dallas/Fort Worth | 727 | 87.2% | -8.3 min | 1.5% |
| BMI–SFB | Bloomington/Normal to Sanford | 126 | 56.3% | 39.3 min | 0.0% |
| BMI–PIE | Bloomington/Normal to St. Petersburg | 111 | 74.8% | 5.8 min | 0.0% |
| BMI–ATL | Bloomington/Normal to Atlanta | 82 | 90.2% | -7.1 min | 0.0% |
| BMI–AZA | Bloomington/Normal to Phoenix | 28 | 64.3% | 48.0 min | 0.0% |
Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 39 departures, 6 am to 7 am had the highest on-time share (94.1% of 461 flights) and 8 pm to 9 pm the lowest (59.7% of 67).
Delay causes
Cancellations by reported reason (41 in the period): air carrier 2%, weather 68%, national aviation system 29%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for BMI on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave BMI on time?
82.8% of the 1,953 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 2.1% were cancelled.
How often do flights arrive at BMI on time?
78.2% of 1,952 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at BMI?
Counting departures from BMI and whether they reached their destination on time, Envoy Air had the highest share (83.1% of 1,606 flights), then Allegiant Air (64.9%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at BMI?
For departures from BMI that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 43%, air carrier 22%, extreme weather 20%, national aviation system 15%, security 0%.
What time of day has the highest on-time share at BMI?
Departures scheduled from 6 am to 7 am local time left on time 94.1% of the time, the highest of any hour with enough flights to compare; 8 pm to 9 pm was lowest at 59.7%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 82.8%, down 2.3 points on the previous 12 months (85.1%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at BMI?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.