Flight Reliability
DL 929 · Delta Air Lines
Phoenix → Atlanta (PHX–ATL)
88
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0.8%
- Cancelled
- 8 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 929 arrived on time 87% of the time on Tuesdays. On Fridays: 78%.
A bit ahead of the Delta Air Lines network.
DL 929 arrived on time 85% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon85%(52 flights)
- Tue87%(52 flights)
- Wed83%(52 flights)
- Thu86%(51 flights)
- Fri78%(51 flights)
- Sat86%(51 flights)
- Sun87%(52 flights)
84%
May
Jun 69% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 29 |
| July 2025 | 80% | 30 |
| August 2025 | 90% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 80% | 30 |
| December 2025 | 87% | 31 |
| January 2026 | 87% | 30 |
| February 2026 | 86% | 28 |
| March 2026 | 80% | 30 |
| April 2026 | 93% | 30 |
| May 2026 | 84% | 31 |
- Departures on time
- 81%
- Diverted
- 0.3%
- Flights flown
- 361
- 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.