Flight Reliability
DL 419 · Delta Air Lines
Seattle → Honolulu (SEA–HNL)
75
Usually Fine
WanderNerd Reliability Score
- 76%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 0.8%
- Cancelled
- 4 min early
- Median arrival delay
Based on 358 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
DL 419 departing between 6–9 PM arrived on time 92% of the time, versus 72% between 12–3 PM.
Friday is doing you no favors.
DL 419 arrived on time 87% of the time on Wednesdays and just 61% on Fridays. That gap is worth planning around.
Better than the SEA–HNL route average.
DL 419 arrived on time 76% of the time, versus 66% across the SEA–HNL route.
A bit behind the Delta Air Lines network.
DL 419 arrived on time 76% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon72%(46 flights)
- Tue77%(47 flights)
- Wed87%(52 flights)
- Thu77%(52 flights)
- Fri61%(51 flights)
- Sat82%(51 flights)
- Sun77%(51 flights)
- 12–3 PM72%(36 flights)
- 3–6 PM75%(290 flights)
- 6–9 PM92%(24 flights)
74%
May
Jun 80% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 30 |
| July 2025 | 76% | 29 |
| August 2025 | 81% | 31 |
| September 2025 | 83% | 30 |
| October 2025 | 74% | 31 |
| November 2025 | 71% | 28 |
| December 2025 | 83% | 29 |
| January 2026 | 80% | 30 |
| February 2026 | 70% | 23 |
| March 2026 | 57% | 28 |
| April 2026 | 80% | 30 |
| May 2026 | 74% | 31 |
- Departures on time
- 83%
- Diverted
- 1.4%
- Flights flown
- 350
- 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.