Route
SEA → FLL
Seattle–Tacoma International Airport Fort Lauderdale Hollywood International Airport
Alerts at SEA and FLL
-
Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
How punctual is this route?
- On-time arrivals
- 78.6%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 826
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 41%
- Air traffic control & airport 37%
- Late-arriving aircraft 21%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.5% | 60 |
| October 2025 | 90.3% | 62 |
| November 2025 | 73.4% | 66 |
| December 2025 | 64.1% | 93 |
| January 2026 | 72.3% | 67 |
| February 2026 | 71.0% | 69 |
| March 2026 | 73.8% | 86 |
| April 2026 | 78.9% | 77 |
| May 2026 | 88.7% | 62 |
| June 2026 | 90.0% | 60 |
| July 2026 | 70.5% | 62 |
| August 2026 | 88.7% | 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 | 81.1% | 0.2% | 49 min |
| Delta Air Lines | 364 | 75.3% | 1.4% | 53 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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