Houston (IAH) to Salina (SLN): On-Time Performance
Data through May 2026
Houston (IAH) to Salina (SLN) is a thinner route than most in this dataset — 344 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 69% arrived on time, noticeably below the national average of 78%.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 39 min
- completed flights
- Cancelled
- 1.9%
- Flights/day
- 0.94
- last 12 months
- Duration
- 2h 1m
- scheduled
- Distance
- 621 mi
Monthly on-time trend
Best time to fly from IAH to SLN
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 63% | 68 min |
| Tuesday | 70% | 38 min |
| Wednesday | 71% | 36 min |
| Thursday | 63% | 41 min |
| Friday | 62% | 50 min |
| Saturdaybest | 81% | 21 min |
| Sunday | 70% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft46%
- Airline operations25%
- National airspace system10%
- Weather19%
Frequently asked questions
- How often are flights from IAH to SLN delayed?
- 32% of IAH–SLN 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 39 minutes.
- How long is the flight from IAH to SLN?
- The scheduled IAH–SLN flight time averages 2h 1m over 621 miles. Actual arrival times vary — flights on this route land 15+ minutes late 32% of the time.
- How often are IAH to SLN flights cancelled?
- 1.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from IAH to SLN?
- May 2025 was the roughest month in this dataset, with only 38% of arrivals on time. The best was September 2025 at 97%. If your dates are flexible, that 59-point gap is worth planning around.
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Based on 375 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.