Flight AS517
Alaska Airlines flight AS517
Looking for AS517 in the air…
Alerts at this flight's airports
-
Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
Fort Lauderdale (FLL) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 51 minutes. It was cancelled 0.9% of the time.
- On-time arrivals
- 66.8%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 317
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 35%
- Air traffic control & airport 34%
- Airline (crew, maintenance, cleaning) 23%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Seattle (SEA) to Fort Lauderdale (FLL)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 42 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 89.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 42 min
- Flights arriving 15+ minutes late
- Flights tracked
- 28
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 70.0% | 30 |
| October 2025 | 74.2% | 31 |
| November 2025 | 65.4% | 27 |
| December 2025 | 34.5% | 31 |
| January 2026 | 33.3% | 6 |
| February 2026 | 46.2% | 13 |
| March 2026 | 54.2% | 26 |
| April 2026 | 69.0% | 30 |
| May 2026 | 89.8% | 50 |
| June 2026 | 84.6% | 39 |
| July 2026 | 71.0% | 31 |
| August 2026 | 67.7% | 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