MDW to BZN flight delays & on-time performance
Nonstop flights from Chicago Midway International Airport to Bozeman Yellowstone International Airport · 1,198 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MDW or BZN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (MDW) to Bozeman (BZN) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 4% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 9am did best (86% on time); around 11am did worst (61%).
- Friday was the most reliable day to fly (83% on time) and Sunday the least (59%).
- The largest source of delay minutes was air traffic control & airport congestion (38%).
Which airline is most on time from MDW to BZN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 71% | 0.0% | 14 min | 4.2% | 120 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am78%33 flights
- 9am86%28 flights
- 10am50%10 flights
- 11am61%49 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%0.0% cancelled
- Tuesday65%0.0% cancelled
- Wednesday76%0.0% cancelled
- Thursday69%0.0% cancelled
- Friday83%0.0% cancelled
- Saturday65%0.0% cancelled
- Sunday59%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion38%
- Airline (crew, maintenance, cleaning, fueling)31%
- Late-arriving aircraft28%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
MDW to BZN: common questions
- How often are MDW to BZN flights on time?
- 71% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Chicago to Bozeman cancelled?
- 0.0% of scheduled flights were cancelled (0 of 120).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 41 min behind schedule on average, and 4.2% of flights were an hour or more late.
- How long is taxi time at MDW?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BZN to MDW — 86% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MDW → BZN, nonstop flights by US airlines that report to the DOT. How we calculate this.