Flight Reliability
DL 591 · Delta Air Lines
Las Vegas → Atlanta (LAS–ATL)
87
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0%
- Cancelled
- 12 min early
- Median arrival delay
Based on 217 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 591 arrived on time 88% of the time on Mondays and just 66% on Fridays. That gap is worth planning around.
It basically never cancels.
Out of 217 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon88%(32 flights)
- Tue88%(32 flights)
- Wed87%(31 flights)
- Thu83%(30 flights)
- Fri66%(29 flights)
- Sat80%(30 flights)
- Sun87%(31 flights)
83%
Apr
Jun 77% → Apr 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 22 |
| July 2025 | 73% | 30 |
| August 2025 | 90% | 31 |
| September 2025 | 83% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 86% | 28 |
| December 2025 | 84% | 19 |
| April 2026 | 83% | 18 |
- Departures on time
- 75%
- Diverted
- 0.9%
- Flights flown
- 215
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 217 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.