Best Time to Fly RDU to IAH
Raleigh to Houston — month-by-month delay data from the Bureau of Transportation Statistics.
Best month
January
1% on time
Worst month
January
1% on time
RDU → IAH on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
Monthly breakdown
| Month | On-time | Cancel rate | Flights |
|---|---|---|---|
| January | 1% | 0% | 261 |
| February | 1% | 0% | 235 |
| March | 1% | 0% | 276 |
| April | 1% | 0% | 261 |
| May | 1% | 0% | 286 |
| June | 1% | 0% | 283 |
| July | 1% | 0% | 321 |
| August | 1% | 0% | 238 |
| September | 1% | 0% | 220 |
| October | 1% | 0% | 255 |
| November | 1% | 0% | 232 |
| December | 1% | 0% | 207 |
Frequently asked
What is the best month to fly from RDU to IAH?
January has the highest on-time rate at 1% for flights from Raleigh to Houston.
What is the worst month to fly RDU to IAH?
January has the lowest on-time rate at 1%, often due to winter weather.
How often are RDU to IAH flights delayed?
On average, 1% of flights from RDU to IAH arrive on time. That means about 99% experience some form of delay.
Source: Bureau of Transportation Statistics.