Route Reliability
Santa Ana → Houston
SNA–IAH · 1,346 miles · John Wayne Airport to George Bush Intercontinental Airport
- 88%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0.2%
- Cancelled
- 1,094
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 88% of the time across 1,094 flights. No comparison to make.
What the data says
The 6–9 AM departure wins.
SNA–IAH flights departing between 6–9 AM arrived on time 96% of the time, versus 73% between 9 AM–12 PM.
Skip Thursday if you can.
SNA–IAH flights arrived on time 93% of the time on Tuesdays. On Thursdays: 86%.
It basically never cancels.
Out of 1,094 scheduled flights, only 0.2% were cancelled.
Slipping a little lately.
SNA–IAH flights arrived on time 88% of the time over the last three months in the data, compared with 93% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon89%(156 flights)
- Tue93%(155 flights)
- Wed90%(154 flights)
- Thu86%(154 flights)
- Fri88%(155 flights)
- Sat86%(154 flights)
- Sun87%(158 flights)
- 6–9 AM96%(361 flights)
- 9 AM–12 PM73%(11 flights)
- 12–3 PM88%(353 flights)
- 3–6 PM82%(361 flights)
Jun 80% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 89 |
| July 2025 | 78% | 89 |
| August 2025 | 84% | 93 |
| September 2025 | 93% | 90 |
| October 2025 | 97% | 92 |
| November 2025 | 85% | 89 |
| December 2025 | 90% | 93 |
| January 2026 | 96% | 93 |
| February 2026 | 93% | 84 |
| March 2026 | 85% | 91 |
| April 2026 | 90% | 90 |
| May 2026 | 90% | 93 |
Same trip, other airports
Keep nerding
Based on 1,094 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.