MDW to TUS flight delays & on-time performance
Nonstop flights from Chicago Midway International Airport to Tucson International Airport · 1,440 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MDW or TUS 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 Tucson (TUS) arrived on time 84% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.3% were cancelled, and 3% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 1pm did best (94% on time); around 12pm did worst (75%).
- Saturday was the most reliable day to fly (91% on time) and Monday the least (75%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (44%).
Which airline is most on time from MDW to TUS?
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 | 84% | 0.3% | 8 min | 3.2% | 286 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am77%22 flights
- 8am89%90 flights
- 9am90%10 flights
- 12pm75%24 flights
- 1pm94%18 flights
- 2pm88%18 flights
- 4pm77%57 flights
- 7pm93%14 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%0.0% cancelled
- Tuesday86%0.0% cancelled
- Wednesday80%0.0% cancelled
- Thursday84%0.0% cancelled
- Friday84%0.0% cancelled
- Saturday91%2.3% cancelled
- Sunday90%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.
- Airline (crew, maintenance, cleaning, fueling)44%
- Late-arriving aircraft27%
- Air traffic control & airport congestion25%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
MDW to TUS: common questions
- How often are MDW to TUS flights on time?
- 84% 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 Tucson cancelled?
- 0.3% of scheduled flights were cancelled (1 of 286).
- How long are typical delays?
- Across all flights the average arrival delay was 8 min (early arrivals count as zero). Flights that were late arrived 40 min behind schedule on average, and 3.2% 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: TUS to MDW — 80% 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 → TUS, nonstop flights by US airlines that report to the DOT. How we calculate this.