Flight DL340
Delta Air Lines flight DL340
Looking for DL340 in the air…
Seattle (SEA) to Kailua-Kona (KOA)
Historically, this flight arrives 15+ minutes late 24% of the time, and when it is late the delay averages 51 minutes. It was cancelled 2.2% of the time.
- On-time arrivals
- 76.1%
- Less than 15 minutes late
- Cancelled
- 2.2%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 43%
- Airline (crew, maintenance, cleaning) 41%
- Late-arriving aircraft 16%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Kailua-Kona (KOA) to Seattle (SEA)
Only 17 flights on record, which is too few for reliable odds.
- On-time arrivals
- 53.3%
- Less than 15 minutes late
- Cancelled
- 11.8%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 17
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 49%
- Late-arriving aircraft 27%
- Air traffic control & airport 24%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.0% | 30 |
| October 2025 | 93.5% | 31 |
| November 2025 | 72.4% | 30 |
| December 2025 | 71.1% | 43 |
| January 2026 | 72.2% | 36 |
| February 2026 | 57.1% | 28 |
| March 2026 | 53.6% | 31 |
| April 2026 | 90.0% | 30 |
| May 2026 | 77.4% | 31 |
| June 2026 | 86.7% | 30 |
| July 2026 | 73.3% | 31 |
| August 2026 | 63.3% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data