AEX to IAH flight delays & on-time performance
Nonstop flights from Alexandria International Airport to George Bush Intercontinental Airport · 190 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AEX or IAH right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Alexandria (AEX) to Houston (IAH) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.7% were cancelled, and 10% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 4pm did best (75% on time); around 9am did worst (72%).
- Sunday was the most reliable day to fly (90% on time) and Tuesday the least (60%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (41%).
Which airline is most on time from AEX to IAH?
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 |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 73% | 0.7% | 18 min | 9.9% | 143 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am72%71 flights
- 4pm75%72 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday63%5.0% cancelled
- Tuesday60%0.0% cancelled
- Wednesday80%0.0% cancelled
- Thursday67%0.0% cancelled
- Friday73%0.0% cancelled
- Saturday80%0.0% cancelled
- Sunday90%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.
- Airline (crew, maintenance, cleaning, fueling)41%
- Late-arriving aircraft29%
- Air traffic control & airport congestion22%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
AEX to IAH: common questions
- How often are AEX to IAH flights on time?
- 73% 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 Alexandria to Houston cancelled?
- 0.7% of scheduled flights were cancelled (1 of 143).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 62 min behind schedule on average, and 9.9% of flights were an hour or more late.
- How long is taxi time at AEX?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AEX → IAH, nonstop flights by US airlines that report to the DOT. How we calculate this.