IAH to AEX flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Alexandria International Airport · 190 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or AEX 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 Alexandria (AEX) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 0.7% were cancelled, and 13% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 2pm did best (92% on time); around 6pm did worst (72%).
- Saturday was the most reliable day to fly (90% on time) and Monday the least (68%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (53%).
Which airline is most on time from IAH to AEX?
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. | 78% | 0.7% | 19 min | 13.3% | 144 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 1pm74%35 flights
- 2pm92%37 flights
- 6pm72%72 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday68%5.0% cancelled
- Tuesday80%0.0% cancelled
- Wednesday70%0.0% cancelled
- Thursday73%0.0% cancelled
- Friday82%0.0% cancelled
- Saturday90%0.0% cancelled
- Sunday80%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)53%
- Late-arriving aircraft28%
- Air traffic control & airport congestion13%
- 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 AEX: common questions
- How often are IAH to AEX flights on time?
- 78% 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 Alexandria cancelled?
- 0.7% of scheduled flights were cancelled (1 of 144).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 82 min behind schedule on average, and 13.3% 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: AEX to IAH — 73% on time
More flights from Houston
More flights to Alexandria
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → AEX, nonstop flights by US airlines that report to the DOT. How we calculate this.