Best Time to Fly ATL to GEG: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Spokane International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.6% of Atlanta (ATL) to Spokane (GEG) flights arrived on time (538 scheduled flights). That is 3.0 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, Tuesday was the most reliable day (88% on time) and December the worst month (71%).
The cancellation rate was 1.1% (US average 1.8%).
ATL to GEG 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 | 80.6% | 42 min | 1.1% | 538 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to GEG
On-time arrival % by scheduled departure hour (local time), 1,068 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 88.1% | 0.9% | 584 |
| 10am–11am | 74.1% | 1.4% | 146 |
| 7pm–8pm | 67.7% | 0.0% | 167 |
| 8pm–9pm | 75.7% | 1.2% | 171 |
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 GEG
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) | 71.2% | -11.4 pts | 0.0% | 52 |
| Summer peak (Jun 15 - Aug 15) | 80.3% | -2.3 pts | 1.8% | 217 |
| All other days | 82.6% | — | 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).