Delta Air Lines DTW to GSP on-time performance
Delta Air Lines nonstop flights from Detroit to Greer · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
2.3%
9 flights
Avg arrival delay
18 min
78 min when late
Rank on route
#1 of 2
route average 76% on time
Key facts
- Delta Air Lines flights on DTW to GSP arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 2.3% were cancelled, and 9% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (52%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)52%
- Late-arriving aircraft35%
- Air traffic control & airport congestion11%
- Extreme weather1%
- Security0%
Other airlines on DTW to GSP
- SkyWest Airlines70% on time · 28 min avg delay
Full DTW to GSP comparison →
Delta Air Lines on-time record across all routes →
393 Delta Air Lines flights tracked on this route; 9 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.