Tucson International (TUS) Delays and On-Time Departures
Tucson, AZ · ranked 93rd of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
83.0% of the 19,536 flights scheduled to depart Tucson (TUS) in the last 12 months left on time, 5.5 points above the US average of 77.4%.
That ranks 93rd of 333 US airports tracked on this site, with 1.0% of departures cancelled.
Among airlines at Tucson (TUS), Delta Air Lines left on time most often (89.1%).
Over 24 months, Tuesday was the most reliable day (87% on time) and June the worst month (79%).
Best time of day to fly out of Tucson (TUS)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 4 | |
| 5am–6am | 94.2% | 0.9% | 2,094 |
| 6am–7am | 94.6% | 0.8% | 4,575 |
| 7am–8am | 92.5% | 0.7% | 4,582 |
| 8am–9am | 88.6% | 0.5% | 2,318 |
| 9am–10am | 84.5% | 0.8% | 2,122 |
| 10am–11am | 85.2% | 1.0% | 2,024 |
| 11am–12pm | 87.0% | 0.6% | 3,216 |
| 12pm–1pm | 83.1% | 0.8% | 3,913 |
| 1pm–2pm | 80.3% | 0.8% | 3,347 |
| 2pm–3pm | 78.0% | 1.2% | 2,092 |
| 3pm–4pm | 70.2% | 1.5% | 1,934 |
| 4pm–5pm | 75.5% | 1.0% | 2,202 |
| 5pm–6pm | 79.9% | 0.8% | 2,619 |
| 6pm–7pm | 75.9% | 0.3% | 1,393 |
| 7pm–8pm | 70.3% | 1.3% | 954 |
| 8pm–9pm | 71.2% | 0.8% | 515 |
| 9pm–10pm | 85.5% | 0.0% | 131 |
| 10pm–11pm | Limited data | 5 | |
| 11pm–12am | Limited data | 31 | |
Airlines at TUS ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Delta Air Lines | 89.1% | 90.5% | 2.1% | 1,120 |
| Envoy Air | 87.7% | 86.9% | 0.6% | 630 |
| SkyWest Airlines | 85.0% | 84.3% | 0.5% | 8,214 |
| United Airlines | 84.8% | 85.1% | 0.8% | 1,202 |
| Alaska Airlines | 82.3% | 85.8% | 0.8% | 603 |
| Frontier Airlines | 81.8% | 79.7% | 2.1% | 241 |
| American Airlines | 79.4% | 80.2% | 2.9% | 2,936 |
| Southwest Airlines | 79.0% | 81.9% | 0.4% | 4,590 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of TUS
On-time departures by day, 24 months.
Best month to fly out of TUS
On-time departures by month, 24 months.
Holiday travel at Tucson (TUS)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 83.6% | -1.7 pts | 0.7% | 830 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.7% | -4.6 pts | 1.2% | 1,795 |
| Summer peak (Jun 15 - Aug 15) | 81.1% | -4.2 pts | 0.7% | 5,727 |
| All other days | 85.3% | — | 0.8% | 31,719 |
Monthly on-time departure trend at TUS
On-time departure % each month, with the 12-month US average for reference.
Routes from Tucson (TUS)
Every route from TUS with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| TUS → Phoenix (PHX) | 83.5% | 0.5% | 3,465 |
| TUS → Denver (DEN) | 83.4% | 0.6% | 2,740 |
| TUS → Los Angeles (LAX) | 86.4% | 0.4% | 2,589 |
| TUS → Dallas/Fort Worth (DFW) | 80.3% | 3.5% | 2,189 |
| TUS → Las Vegas (LAS) | 84.5% | 0.2% | 1,336 |
| TUS → Salt Lake City (SLC) | 93.0% | 0.3% | 1,112 |
| TUS → Seattle (SEA) | 86.1% | 0.7% | 1,065 |
| TUS → Chicago (ORD) | 76.6% | 1.4% | 1,040 |
| TUS → San Francisco (SFO) | 69.3% | 0.4% | 945 |
| TUS → Atlanta (ATL) | 91.9% | 2.0% | 809 |
| TUS → San Diego (SAN) | 76.2% | 0.5% | 654 |
| TUS → Portland (PDX) | 93.2% | 0.0% | 365 |
| TUS → Chicago (MDW) | 80.4% | 1.1% | 286 |
| TUS → Dallas (DAL) | 83.5% | 0.9% | 221 |
| TUS → Houston (IAH) | 92.1% | 1.9% | 206 |
| TUS → Minneapolis (MSP) | 85.0% | 3.5% | 173 |
| TUS → Houston (HOU) | 87.7% | 0.0% | 171 |