Flight Reliability
DL 1706 · Delta Air Lines
Seattle → Detroit (SEA–DTW)86% of its flights flew this route. The rest (MIA–JFK, ATL–VPS) are included in these numbers.
- 80%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.1%
- Cancelled
- 5 min early
- Median arrival delay
Based on 351 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
DL 1706 departing between 9 AM–12 PM arrived on time 81% of the time, versus 72% between 12–3 PM.
Saturdays have been rough.
DL 1706 arrived on time 90% of the time on Thursdays and just 75% on Saturdays. That gap is worth planning around.
A bit behind the SEA–DTW route.
DL 1706 arrived on time 80% of the time, versus 84% across the SEA–DTW route.
Ticking up lately.
DL 1706 arrived on time 83% of the time over the last three months in the data, compared with 78% in the three months before that.
The breakdown
- Mon82%(50 flights)
- Tue86%(49 flights)
- Wed76%(49 flights)
- Thu90%(50 flights)
- Fri75%(51 flights)
- Sat75%(47 flights)
- Sun80%(51 flights)
- 9 AM–12 PM81%(309 flights)
- 12–3 PM72%(25 flights)
- 6–9 PM77%(13 flights)
Jun 90% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 30 |
| July 2025 | 71% | 31 |
| August 2025 | 65% | 31 |
| September 2025 | 87% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 76% | 29 |
| December 2025 | 70% | 30 |
| January 2026 | 78% | 27 |
| February 2026 | 85% | 20 |
| March 2026 | 93% | 27 |
| April 2026 | 83% | 30 |
| May 2026 | 74% | 31 |
- Departures on time
- 81%
- Diverted
- 0%
- Flights flown
- 347
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 351 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.