TUS to ORD flight delays & on-time performance
Nonstop flights from Tucson International Airport to Chicago O'Hare International Airport · 1,437 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TUS or ORD 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 (ORD) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.4% were cancelled, and 10% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (77% on time); United Airlines was the least (75%).
- Departures scheduled around 6am did best (87% on time); around 11am did worst (69%).
- Thursday was the most reliable day to fly (83% on time) and Monday the least (69%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (39%).
Which airline is most on time from TUS to ORD?
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 |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 100% | 0.0% | 1 min | 0.0% | 19 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 77% | 1.9% | 16 min | 8.1% | 462 |
| American Airlines | 75% | 1.2% | 28 min | 12.0% | 482 |
| United Airlines | 75% | 0.0% | 25 min | 13.0% | 77 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am87%163 flights
- 7am82%193 flights
- 8am81%67 flights
- 11am69%168 flights
- 12pm71%355 flights
- 1pm77%85 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday69%1.3% cancelled
- Tuesday80%2.7% cancelled
- Wednesday77%0.0% cancelled
- Thursday83%0.7% cancelled
- Friday76%1.3% cancelled
- Saturday80%3.3% cancelled
- Sunday72%0.7% 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)39%
- Late-arriving aircraft33%
- Air traffic control & airport congestion22%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather93%
- Air traffic control & airport congestion7%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
TUS to ORD: common questions
- How often are TUS to ORD flights on time?
- 77% 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?
- 1.4% of scheduled flights were cancelled (15 of 1,040).
- How long are typical delays?
- Across all flights the average arrival delay was 22 min (early arrivals count as zero). Flights that were late arrived 88 min behind schedule on average, and 10.1% of flights were an hour or more late.
- How long is taxi time at TUS?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to TUS — 70% 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 → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.