IAH to RSW flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Southwest Florida International Airport · 861 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or RSW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (IAH) to Fort Myers (RSW) arrived on time 85% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.1% were cancelled, and 6% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (94% on time); around 7pm did worst (74%).
- Thursday was the most reliable day to fly (91% on time) and Sunday the least (78%).
- The largest source of delay minutes was late-arriving aircraft (40%).
Which airline is most on time from IAH to RSW?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 85% | 0.1% | 10 min | 5.8% | 874 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am94%197 flights
- 12pm82%365 flights
- 4pm100%16 flights
- 5pm92%37 flights
- 6pm81%190 flights
- 7pm74%50 flights
- 8pm68%19 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday85%0.8% cancelled
- Tuesday85%0.0% cancelled
- Wednesday83%0.0% cancelled
- Thursday91%0.0% cancelled
- Friday87%0.0% cancelled
- Saturday82%0.0% cancelled
- Sunday78%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft40%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion21%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
IAH to RSW: common questions
- How often are IAH to RSW flights on time?
- 85% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to Fort Myers cancelled?
- 0.1% of scheduled flights were cancelled (1 of 874).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 62 min behind schedule on average, and 5.8% of flights were an hour or more late.
- How long is taxi time at IAH?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: RSW to IAH — 88% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → RSW, nonstop flights by US airlines that report to the DOT. How we calculate this.