Best Time to Fly OKC to ATL: On-Time Stats by Hour & Airline
Okc Will Rogers International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 86.5% of Oklahoma City (OKC) to Atlanta (ATL) flights arrived on time (1,820 scheduled flights). That is 8.9 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 88.3% on time and Frontier Airlines was last with 52.8%.
Over 24 months, Wednesday was the most reliable day (91% on time) and July the worst month (77%).
The cancellation rate was 2.7% (US average 1.8%).
OKC 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 | 88.3% | 94 min | 2.7% | 1,725 |
| Frontier Airlines | 52.8% | 101 min | 3.2% | 94 |
| Southwest Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly OKC to ATL
On-time arrival % by scheduled departure hour (local time), 3,727 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.8% | 2.2% | 715 |
| 6am–7am | 90.0% | 1.1% | 191 |
| 7am–8am | 93.2% | 1.8% | 389 |
| 8am–9am | 92.5% | 1.2% | 243 |
| 10am–11am | Limited data | 1 | |
| 11am–12pm | 87.3% | 2.2% | 690 |
| 12pm–1pm | 65.3% | 5.8% | 52 |
| 1pm–2pm | 77.5% | 1.5% | 339 |
| 2pm–3pm | 92.4% | 0.4% | 277 |
| 3pm–4pm | 61.3% | 3.1% | 32 |
| 4pm–5pm | 84.2% | 3.2% | 158 |
| 5pm–6pm | 78.3% | 2.1% | 427 |
| 6pm–7pm | 80.9% | 0.5% | 210 |
| 7pm–8pm | Limited data | 3 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on OKC 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) | 87.7% | -0.2 pts | 0.0% | 74 |
| Christmas & New Year (Dec 20 - Jan 3) | 89.2% | +1.3 pts | 1.3% | 159 |
| Summer peak (Jun 15 - Aug 15) | 80.6% | -7.2 pts | 3.5% | 624 |
| All other days | 87.8% | — | 1.5% | 2,870 |
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).