Flight Reliability
DL 2698 · Delta Air Lines
Seattle → Phoenix (SEA–PHX)
84
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.9%
- Cancelled
- 8 min early
- Median arrival delay
Based on 344 historical flights. Data through May 2026.
What the data says
6–9 PM has a slight edge.
Departures between 6–9 PM arrived on time 81% of the time, against 78% between 3–6 PM.
Sunday scaries are real for this one.
DL 2698 arrived on time 86% of the time on Tuesdays. On Sundays: 73%.
Recent months have been rougher.
DL 2698 arrived on time 71% of the time over the last three months in the data, compared with 78% in the three months before that.
The breakdown
- Mon79%(52 flights)
- Tue86%(51 flights)
- Wed82%(51 flights)
- Thu82%(50 flights)
- Fri79%(47 flights)
- Sat83%(41 flights)
- Sun73%(48 flights)
- 3–6 PM78%(27 flights)
- 6–9 PM81%(313 flights)
71%
May
Jun 97% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 97% | 30 |
| July 2025 | 90% | 29 |
| August 2025 | 86% | 29 |
| September 2025 | 84% | 25 |
| October 2025 | 83% | 30 |
| November 2025 | 79% | 28 |
| December 2025 | 71% | 31 |
| January 2026 | 86% | 28 |
| February 2026 | 77% | 22 |
| March 2026 | 52% | 27 |
| April 2026 | 90% | 30 |
| May 2026 | 71% | 31 |
- Departures on time
- 80%
- Diverted
- 0.3%
- Flights flown
- 340
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 344 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.