BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
IAH→MIA

Spirit Airlines Houston, TX (IAH) to Miami, FL (MIA) reliability

Among 441 scheduled Spirit Airlines flights from IAH to MIA, 68.5% arrived on time, 20.2% arrived at least 30 minutes late, and 3.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Spirit Airlines (NK) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
68.5%arrived on time
20.2%30+ min late
3.2%cancelled
441scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late20.2%
60+ minutes late14.1%
Cancelled3.2%
Average arrival+15.8 mincompleted flights

What did Spirit Airlines IAH to MIA record?

Spirit Airlines completed 96.8% of its scheduled reportable IAH to MIA flights in the observation window. 68.5% of all scheduled flights arrived less than 15 minutes late, while 14.1% arrived at least an hour late.

What were Spirit Airlines IAH to MIA disruption rates?

For Spirit Airlines IAH-to-MIA flights, 20.2% arrived at least 30 minutes late, 3.2% were cancelled, and 0.0% were diverted.

Compare all airlines on this route

What was the Spirit Airlines IAH to MIA scheduled cohort?

The Spirit Airlines IAH-to-MIA cohort contained 441 scheduled flights; 427 completed, 14 were cancelled, and 0 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.