Route
GSP → DTW
Greenville-Spartanburg International Airport Detroit Metropolitan Wayne County Airport
508 miles
Return route DTW → GSP →
How punctual is this route?
- On-time arrivals
- 87.5%
- Less than 15 minutes late
- Cancelled
- 3.1%
- Of scheduled flights
- Average delay when late
- 110 min
- Flights arriving 15+ minutes late
- Flights tracked
- 520
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 61%
- Extreme weather 21%
- Late-arriving aircraft 11%
- Air traffic control & airport 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.4% | 52 |
| October 2025 | 100.0% | 36 |
| November 2025 | 81.4% | 47 |
| December 2025 | 87.3% | 57 |
| January 2026 | 78.4% | 56 |
| February 2026 | 84.9% | 54 |
| March 2026 | 76.5% | 35 |
| April 2026 | 88.5% | 26 |
| May 2026 | 87.0% | 55 |
| June 2026 | 91.7% | 36 |
| July 2026 | 93.3% | 31 |
| August 2026 | 97.1% | 35 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 396 | 91.4% | 2.8% | 76 min |
| SkyWest Airlines | 124 | 74.8% | 4.0% | 147 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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