Flight Reliability
DL 3580 · Delta Air Lines
Spokane → Los Angeles (GEG–LAX)87% of its flights flew this route. The rest (DTW–IAD, IAD–DTW) are included in these numbers.
- 94%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 0%
- Cancelled
- 12 min early
- Median arrival delay
Based on 163 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
DL 3580 departing between 6–9 AM arrived on time 98% of the time, versus 69% between 3–6 PM.
Sunday scaries are real for this one.
DL 3580 arrived on time 100% of the time on Mondays and just 81% on Sundays. That gap is worth planning around.
A bit ahead of the GEG–LAX route.
DL 3580 arrived on time 94% of the time, versus 88% across the GEG–LAX route.
Better than the Delta Air Lines network average.
DL 3580 arrived on time 94% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon100%(23 flights)
- Tue100%(22 flights)
- Wed100%(22 flights)
- Thu91%(22 flights)
- Fri91%(21 flights)
- Sat100%(26 flights)
- Sun81%(26 flights)
- 6–9 AM98%(144 flights)
- 9 AM–12 PM—(3 flights)
- 3–6 PM69%(13 flights)
- 6–9 PM—(2 flights)
Jun 92% → Oct 96% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 92% | 36 |
| July 2025 | 100% | 31 |
| August 2025 | 97% | 31 |
| September 2025 | 100% | 30 |
| October 2025 | 96% | 26 |
- Departures on time
- 92%
- Diverted
- 0.6%
- Flights flown
- 162
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 163 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.