Flight Reliability
DL 677 · Delta Air Lines
Las Vegas → Atlanta (LAS–ATL)
97
Nerd Approved
WanderNerd Reliability Score
- 94%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 0.8%
- Cancelled
- 10 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Skip Monday if you can.
DL 677 arrived on time 100% of the time on Tuesdays. On Mondays: 87%.
Better than the LAS–ATL route average.
DL 677 arrived on time 94% of the time, versus 85% across the LAS–ATL route.
Better than the Delta Air Lines network average.
DL 677 arrived on time 94% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon87%(52 flights)
- Tue100%(52 flights)
- Wed98%(51 flights)
- Thu92%(52 flights)
- Fri96%(51 flights)
- Sat96%(50 flights)
- Sun90%(52 flights)
94%
May
Jun 93% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 93% | 30 |
| July 2025 | 93% | 30 |
| August 2025 | 100% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 93% | 30 |
| November 2025 | 90% | 29 |
| December 2025 | 97% | 30 |
| January 2026 | 97% | 31 |
| February 2026 | 89% | 28 |
| March 2026 | 93% | 30 |
| April 2026 | 100% | 30 |
| May 2026 | 94% | 31 |
- Departures on time
- 94%
- Diverted
- 0.5%
- Flights flown
- 360
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.