Route Reliability
Detroit → Houston
DTW–IAH · 1,075 miles · Detroit Metropolitan Wayne County Airport to George Bush Intercontinental Airport
- 81%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 1.1%
- Cancelled
- 2,822
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines84%970 flights
- 2.Delta Air Lines80%1,321 flights
- 3.Spirit Airlines78%441 flights
Not enough history to rank: Frontier Airlines (90 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
DTW–IAH flights departing between 9 AM–12 PM arrived on time 87% of the time, versus 70% between 9 PM–12 AM.
Friday is doing you no favors.
DTW–IAH flights arrived on time 85% of the time on Tuesdays. On Fridays: 78%.
United Airlines has a slight edge here.
United Airlines arrived on time 84% of the time on this route; Spirit Airlines managed 78%.
Ticking up lately.
DTW–IAH flights arrived on time 79% of the time over the last three months in the data, compared with 75% 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
- Mon82%(432 flights)
- Tue85%(390 flights)
- Wed80%(393 flights)
- Thu83%(414 flights)
- Fri78%(431 flights)
- Sat78%(320 flights)
- Sun80%(406 flights)
- 3–6 AM—(1 flights)
- 6–9 AM85%(854 flights)
- 9 AM–12 PM87%(378 flights)
- 12–3 PM86%(336 flights)
- 3–6 PM75%(762 flights)
- 6–9 PM74%(343 flights)
- 9 PM–12 AM70%(112 flights)
Jun 67% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 229 |
| July 2025 | 81% | 253 |
| August 2025 | 86% | 256 |
| September 2025 | 93% | 242 |
| October 2025 | 92% | 249 |
| November 2025 | 85% | 233 |
| December 2025 | 64% | 219 |
| January 2026 | 76% | 189 |
| February 2026 | 87% | 200 |
| March 2026 | 79% | 245 |
| April 2026 | 82% | 236 |
| May 2026 | 75% | 235 |
Keep nerding
Based on 2,822 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.