IAH to JAN flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Jackson-Medgar Wiley Evers International Airport · 351 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or JAN 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 Jackson/Vicksburg (JAN) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.4% were cancelled, and 12% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6pm did best (82% on time); around 11am did worst (73%).
- Tuesday was the most reliable day to fly (90% on time) and Friday the least (44%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (62%).
Which airline is most on time from IAH to JAN?
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. | 75% | 1.4% | 18 min | 11.6% | 70 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am73%53 flights
- 6pm82%17 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%0.0% cancelled
- Tuesday90%0.0% cancelled
- Wednesday90%0.0% cancelled
- Thursday78%0.0% cancelled
- Friday44%10.0% cancelled
- Saturday80%0.0% cancelled
- Sunday73%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)62%
- Late-arriving aircraft22%
- Air traffic control & airport congestion13%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Extreme weather0%
- Security0%
IAH to JAN: common questions
- How often are IAH to JAN flights on time?
- 75% 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 Jackson/Vicksburg cancelled?
- 1.4% of scheduled flights were cancelled (1 of 70).
- 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 72 min behind schedule on average, and 11.6% 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: JAN to IAH — 73% on time
More flights from Houston
More flights to Jackson/Vicksburg
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → JAN, nonstop flights by US airlines that report to the DOT. How we calculate this.