Flight Reliability
DL 394 · Delta Air Lines
Kahului → Seattle (OGG–SEA)
96
Nerd Approved
WanderNerd Reliability Score
- 96%
- Arrive within 15 minutes
- 17 min early
- Average arrival delay
- 1.9%
- Cancelled
- 21 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Thursday has been the better bet.
A small edge: 98% on time on Thursdays against 92% on Saturdays.
Well ahead of the OGG–SEA route.
DL 394 arrived on time 96% of the time, versus 80% across the OGG–SEA route.
Better than the Delta Air Lines network average.
DL 394 arrived on time 96% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 394 arrived on time 99% of the time over the last three months in the data, compared with 90% in the three months before that.
The breakdown
- Mon94%(52 flights)
- Tue96%(51 flights)
- Wed98%(50 flights)
- Thu98%(52 flights)
- Fri96%(51 flights)
- Sat92%(51 flights)
- Sun96%(51 flights)
97%
May
Jun 93% → May 97% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 93% | 30 |
| July 2025 | 96% | 28 |
| August 2025 | 97% | 31 |
| September 2025 | 100% | 30 |
| October 2025 | 100% | 30 |
| November 2025 | 97% | 30 |
| December 2025 | 87% | 31 |
| January 2026 | 90% | 31 |
| February 2026 | 93% | 28 |
| March 2026 | 100% | 28 |
| April 2026 | 100% | 30 |
| May 2026 | 97% | 31 |
- Departures on time
- 95%
- Diverted
- 0%
- Flights flown
- 358
- 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.