TUS to MDW flight delays & on-time performance
Nonstop flights from Tucson International Airport to Chicago Midway International Airport · 1,440 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TUS or MDW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Tucson (TUS) to Chicago (MDW) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1% 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 7am did best (95% on time); around 12pm did worst (57%).
- Saturday was the most reliable day to fly (91% on time) and Monday the least (66%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (45%).
Which airline is most on time from TUS to MDW?
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 | 80% | 1.0% | 11 min | 3.6% | 286 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am93%30 flights
- 7am95%60 flights
- 8am87%53 flights
- 11am87%31 flights
- 12pm57%72 flights
- 2pm81%21 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday66%0.0% cancelled
- Tuesday79%0.0% cancelled
- Wednesday86%0.0% cancelled
- Thursday86%0.0% cancelled
- Friday79%2.3% cancelled
- Saturday91%2.3% cancelled
- Sunday78%2.4% 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)45%
- Late-arriving aircraft33%
- Air traffic control & airport congestion19%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion0%
- Security0%
TUS to MDW: common questions
- How often are TUS to MDW flights on time?
- 80% 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 Tucson to Chicago cancelled?
- 1.0% of scheduled flights were cancelled (3 of 286).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 47 min behind schedule on average, and 3.6% of flights were an hour or more late.
- How long is taxi time at TUS?
- Flights on this route spent 11 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MDW to TUS — 84% on time
More flights from Tucson
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: TUS → MDW, nonstop flights by US airlines that report to the DOT. How we calculate this.