Best Time to Fly TUS to ATL: On-Time Stats by Hour & Airline
Tucson International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
809 flights were scheduled from Tucson (TUS) to Atlanta (ATL) in the last 12 months, and 91.9% of those that flew arrived on time, 14.3 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
April has been the best month (96% on time) and Sunday the weakest day of the week (88%).
2.0% of flights were cancelled, versus 1.8% nationally.
TUS to ATL 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 | 91.9% | 119 min | 2.0% | 809 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TUS to ATL
On-time arrival % by scheduled departure hour (local time), 1,613 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 97.6% | 1.3% | 626 |
| 7am–8am | 94.2% | 1.0% | 104 |
| 12pm–1pm | 89.7% | 2.1% | 279 |
| 1pm–2pm | 85.2% | 0.8% | 398 |
| 2pm–3pm | 92.7% | 0.0% | 55 |
| 3pm–4pm | 87.9% | 5.6% | 72 |
| 4pm–5pm | 97.4% | 3.8% | 79 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on TUS to ATL
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) | 93.3% | +1.3 pts | 0.0% | 30 |
| Christmas & New Year (Dec 20 - Jan 3) | 94.9% | +2.8 pts | 1.3% | 79 |
| Summer peak (Jun 15 - Aug 15) | 93.0% | +0.9 pts | 2.0% | 248 |
| All other days | 92.0% | — | 1.5% | 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).