Flight Reliability
DL 722 · Delta Air Lines
Las Vegas → Atlanta (LAS–ATL)93% of its flights flew this route. The rest (SEA–JFK) are included in these numbers.
85
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.8%
- Cancelled
- 5 min early
- Median arrival delay
Based on 358 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 722 arrived on time 94% of the time on Wednesdays and just 66% on Sundays. That gap is worth planning around.
A bit behind the LAS–ATL route.
DL 722 arrived on time 81% of the time, versus 85% across the LAS–ATL route.
Ticking up lately.
DL 722 arrived on time 90% of the time over the last three months in the data, compared with 86% in the three months before that.
The breakdown
- Mon90%(51 flights)
- Tue85%(52 flights)
- Wed94%(52 flights)
- Thu78%(50 flights)
- Fri81%(48 flights)
- Sat73%(51 flights)
- Sun66%(50 flights)
- 3–6 PM80%(25 flights)
- 9 PM–12 AM81%(329 flights)
84%
May
Jun 57% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 57% | 28 |
| July 2025 | 68% | 31 |
| August 2025 | 77% | 31 |
| September 2025 | 83% | 30 |
| October 2025 | 77% | 31 |
| November 2025 | 81% | 26 |
| December 2025 | 89% | 27 |
| January 2026 | 87% | 31 |
| February 2026 | 82% | 28 |
| March 2026 | 90% | 30 |
| April 2026 | 97% | 30 |
| May 2026 | 84% | 31 |
- Departures on time
- 75%
- Diverted
- 0.3%
- Flights flown
- 354
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 358 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.