Route Reliability
Detroit → Greenville
DTW–GSP · 508 miles · Detroit Metropolitan Wayne County Airport to Greenville–Spartanburg International Airport
- 75%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 1.8%
- Cancelled
- 871
- Flights in the data
Data through May 2026.
Delta Air Lines is the only airline in this data on this route, arriving on time 75% of the time across 871 flights. No comparison to make.
What the data says
Morning flights do better here.
DTW–GSP flights departing between 6–9 AM arrived on time 83% of the time, versus 67% between 9 PM–12 AM.
Sunday scaries are real for this one.
DTW–GSP flights arrived on time 81% of the time on Thursdays. On Sundays: 70%.
Ticking up lately.
DTW–GSP flights arrived on time 73% of the time over the last three months in the data, compared with 68% in the three months before that.
Flights on this route
The breakdown
- Mon79%(127 flights)
- Tue72%(127 flights)
- Wed73%(124 flights)
- Thu81%(126 flights)
- Fri76%(128 flights)
- Sat74%(96 flights)
- Sun70%(125 flights)
- 6–9 AM83%(150 flights)
- 9 AM–12 PM77%(66 flights)
- 3–6 PM72%(339 flights)
- 6–9 PM74%(286 flights)
- 9 PM–12 AM67%(12 flights)
Jun 69% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 80 |
| July 2025 | 76% | 78 |
| August 2025 | 82% | 82 |
| September 2025 | 83% | 77 |
| October 2025 | 87% | 84 |
| November 2025 | 75% | 71 |
| December 2025 | 60% | 75 |
| January 2026 | 67% | 52 |
| February 2026 | 77% | 53 |
| March 2026 | 66% | 61 |
| April 2026 | 80% | 60 |
| May 2026 | 74% | 80 |
Keep nerding
Based on 871 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.