Houston (IAH) to Baton Rouge (BTR): On-Time Performance
Data through May 2026
When you fly IAH to BTR matters as much as anything else about the booking: the route swung from 90% on-time in January 2026 to just 52% in May 2025. Across the full period the route averages 78% on-time against a national 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 1.4
- last 12 months
- Duration
- 1h 14m
- scheduled
- Distance
- 253 mi
Monthly on-time trend
Best time to fly from IAH to BTR
Aim for departures around 4 p.m. (89% on-time); avoid 2 p.m. departures (73%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 23 min |
| Tuesdaybest | 85% | 10 min |
| Wednesday | 83% | 16 min |
| Thursday | 79% | 12 min |
| Friday | 73% | 24 min |
| Saturday | 73% | 15 min |
| Sunday | 80% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations39%
- National airspace system7%
- Weather14%
Frequently asked questions
- How often are flights from IAH to BTR delayed?
- 22% of IAH–BTR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 17 minutes.
- What is the best time of day to fly from IAH to BTR?
- Departures around 4 p.m. have the best record (89% on-time), while departures around 2 p.m. have the worst (73%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAH to BTR?
- The scheduled IAH–BTR flight time averages 1h 14m over 253 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are IAH to BTR flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from IAH to BTR?
- May 2025 was the roughest month in this dataset, with only 52% of arrivals on time. The best was January 2026 at 90%. If your dates are flexible, that 39-point gap is worth planning around.
Explore related pages
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Based on 718 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.