Best Time to Fly GEG to ATL: On-Time Stats by Hour & Airline
Spokane International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
537 flights were scheduled from Spokane (GEG) to Atlanta (ATL) in the last 12 months, and 85.5% of those that flew arrived on time, 7.8 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, Wednesday was the most reliable day (90% on time) and June the worst month (76%).
The cancellation rate was 1.1% (US average 1.8%).
GEG 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 | 85.5% | 56 min | 1.1% | 537 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GEG to ATL
On-time arrival % by scheduled departure hour (local time), 1,067 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12pm–1pm | 85.5% | 0.6% | 626 |
| 1pm–2pm | 86.3% | 1.9% | 104 |
| 10pm–11pm | 81.2% | 0.0% | 223 |
| 11pm–12am | 87.4% | 2.6% | 114 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on GEG 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) | Limited data | 20 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.8% | -6.5 pts | 0.0% | 52 |
| Summer peak (Jun 15 - Aug 15) | 78.7% | -8.6 pts | 1.9% | 216 |
| All other days | 87.3% | — | 0.6% | 779 |
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).