Route
FLL → SEA
Fort Lauderdale Hollywood International Airport Seattle–Tacoma International Airport
Alerts at FLL and SEA
-
Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
How punctual is this route?
- On-time arrivals
- 73.3%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 826
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Air traffic control & airport 29%
- Airline (crew, maintenance, cleaning) 19%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 74.6% | 60 |
| October 2025 | 79.0% | 62 |
| November 2025 | 71.4% | 65 |
| December 2025 | 48.9% | 93 |
| January 2026 | 68.2% | 68 |
| February 2026 | 56.1% | 68 |
| March 2026 | 69.1% | 86 |
| April 2026 | 79.2% | 78 |
| May 2026 | 90.2% | 62 |
| June 2026 | 91.7% | 60 |
| July 2026 | 81.7% | 62 |
| August 2026 | 82.3% | 62 |
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
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Alaska Airlines | 462 | 68.4% | 1.1% | 55 min |
| Delta Air Lines | 364 | 79.5% | 1.4% | 64 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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