Flight Reliability
DL 3017 · Delta Air Lines
Atlanta → GSO (ATL–GSO)90% of its flights flew this route. The rest (GSO–ATL) are included in these numbers.
- 77%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 2.8%
- Cancelled
- 7 min early
- Median arrival delay
Based on 144 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
DL 3017 departing between 6–9 PM arrived on time 81% of the time, versus 72% between 3–6 PM.
Tuesdays have been rough.
DL 3017 arrived on time 91% of the time on Thursdays and just 60% on Tuesdays. That gap is worth planning around.
A bit behind the ATL–GSO route.
DL 3017 arrived on time 77% of the time, versus 83% across the ATL–GSO route.
A bit behind the Delta Air Lines network.
DL 3017 arrived on time 77% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon81%(21 flights)
- Tue60%(20 flights)
- Wed86%(21 flights)
- Thu91%(21 flights)
- Fri80%(20 flights)
- Sat78%(18 flights)
- Sun63%(19 flights)
- 3–6 PM72%(57 flights)
- 6–9 PM81%(83 flights)
Jun 53% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 53% | 17 |
| January 2026 | 82% | 11 |
| February 2026 | 73% | 11 |
| March 2026 | 88% | 24 |
| April 2026 | 83% | 30 |
| May 2026 | 74% | 42 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 140
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 144 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.