Flight Reliability
DL 3608 · Delta Air Lines
Seattle → PSC (SEA–PSC)92% of its flights flew this route. The rest (DTW–OMA) are included in these numbers.
- 92%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 0%
- Cancelled
- 14 min early
- Median arrival delay
Based on 211 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
DL 3608 departing between 9 AM–12 PM arrived on time 94% of the time, versus 50% between 6–9 PM.
Friday is doing you no favors.
DL 3608 arrived on time 97% of the time on Sundays and just 80% on Fridays. That gap is worth planning around.
Better than the SEA–PSC route average.
DL 3608 arrived on time 92% of the time, versus 84% across the SEA–PSC route.
Better than the Delta Air Lines network average.
DL 3608 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon93%(30 flights)
- Tue97%(30 flights)
- Wed93%(30 flights)
- Thu97%(30 flights)
- Fri80%(30 flights)
- Sat83%(30 flights)
- Sun97%(31 flights)
- 9 AM–12 PM94%(195 flights)
- 3–6 PM—(4 flights)
- 6–9 PM50%(12 flights)
Jun 96% → Dec 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 96% | 23 |
| July 2025 | 90% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 100% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 93% | 30 |
| December 2025 | 74% | 31 |
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 211
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 211 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.