Best Time to Fly ATL to TUL: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Tulsa International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.8% of Atlanta (ATL) to Tulsa (TUL) flights arrived on time (1,576 scheduled flights). That is 7.2 points above the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (86% on time) and June the worst month (76%).
The cancellation rate was 2.2% (US average 1.8%).
ATL to TUL 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 | 84.8% | 71 min | 2.2% | 1,576 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to TUL
On-time arrival % by scheduled departure hour (local time), 3,113 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 92.8% | 1.5% | 455 |
| 9am–10am | 85.8% | 2.5% | 202 |
| 10am–11am | 91.9% | 2.6% | 38 |
| 11am–12pm | 87.1% | 0.9% | 453 |
| 12pm–1pm | 86.5% | 2.3% | 129 |
| 1pm–2pm | 85.3% | 2.9% | 70 |
| 2pm–3pm | 81.1% | 0.7% | 406 |
| 3pm–4pm | 85.2% | 2.4% | 166 |
| 4pm–5pm | 73.7% | 1.9% | 271 |
| 5pm–6pm | 74.6% | 1.6% | 193 |
| 7pm–8pm | Limited data | 29 | |
| 8pm–9pm | Limited data | 16 | |
| 9pm–10pm | 85.4% | 2.7% | 185 |
| 10pm–11pm | 79.1% | 2.2% | 500 |
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 TUL
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) | 80.7% | -4.4 pts | 0.0% | 62 |
| Christmas & New Year (Dec 20 - Jan 3) | 83.7% | -1.3 pts | 3.3% | 90 |
| Summer peak (Jun 15 - Aug 15) | 77.2% | -7.8 pts | 1.9% | 579 |
| All other days | 85.0% | — | 1.6% | 2,382 |
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).