Best Time to Fly ATL to TUS: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Tucson International
Data through July 2026 · Last updated October 18, 2026
809 flights were scheduled from Atlanta (ATL) to Tucson (TUS) in the last 12 months, and 82.4% of those that flew arrived on time, 4.7 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (86% on time) and July the worst month (74%).
The cancellation rate was 1.9% (US average 1.8%).
ATL to TUS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 82.4% | 59 min | 1.9% | 809 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to TUS
On-time arrival % by scheduled departure hour (local time), 1,613 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | Limited data | 18 | |
| 10am–11am | 84.0% | 2.5% | 315 |
| 11am–12pm | 88.4% | 0.2% | 399 |
| 12pm–1pm | 86.7% | 3.2% | 31 |
| 1pm–2pm | 90.5% | 4.1% | 122 |
| 2pm–3pm | Limited data | 18 | |
| 5pm–6pm | Limited data | 11 | |
| 6pm–7pm | Limited data | 1 | |
| 7pm–8pm | Limited data | 7 | |
| 8pm–9pm | 79.8% | 1.7% | 357 |
| 9pm–10pm | 73.1% | 0.9% | 334 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to TUS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 73.3% | -9.7 pts | 0.0% | 30 |
| Christmas & New Year (Dec 20 - Jan 3) | 84.6% | +1.6 pts | 1.3% | 79 |
| Summer peak (Jun 15 - Aug 15) | 79.3% | -3.7 pts | 2.0% | 248 |
| All other days | 83.0% | — | 1.4% | 1,256 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).