IAH to CLE flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Cleveland Hopkins International Airport · 1,091 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or CLE 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 Cleveland (CLE) arrived on time 85% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.2% were cancelled, and 4% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (93% on time); around 2pm did worst (70%).
- Wednesday was the most reliable day to fly (91% on time) and Sunday the least (79%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from IAH to CLE?
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% | 0.2% | 9 min | 3.6% | 825 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am93%361 flights
- 1pm89%18 flights
- 2pm70%73 flights
- 4pm89%18 flights
- 6pm80%310 flights
- 7pm76%43 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday84%0.0% cancelled
- Tuesday82%0.0% cancelled
- Wednesday91%0.8% cancelled
- Thursday89%0.0% cancelled
- Friday89%0.0% cancelled
- Saturday79%0.9% cancelled
- Sunday79%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 aircraft43%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion13%
- Extreme weather9%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
IAH to CLE: common questions
- How often are IAH to CLE 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 Cleveland cancelled?
- 0.2% of scheduled flights were cancelled (2 of 825).
- How long are typical delays?
- Across all flights the average arrival delay was 9 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 3.6% 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: CLE to IAH — 91% 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 → CLE, nonstop flights by US airlines that report to the DOT. How we calculate this.