Route Reliability
Houston → New York
IAH–LGA · 1,416 miles · George Bush Intercontinental Airport to LaGuardia Airport
- 73%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 3.3%
- Cancelled
- 4,344
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines77%1,338 flights
- 2.United Airlines72%2,680 flights
- 3.Spirit Airlines60%326 flights
What the data says
Morning-you made the right choice.
IAH–LGA flights departing between 6–9 AM arrived on time 87% of the time, versus 65% between 6–9 PM.
Sunday scaries are real for this one.
IAH–LGA flights arrived on time 82% of the time on Saturdays and just 65% on Sundays. That gap is worth planning around.
Delta Air Lines has a clear lead on this route.
Delta Air Lines arrived on time 77% of the time on this route; Spirit Airlines managed 60%.
Keep a backup plan handy.
This route was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.
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
- Mon70%(632 flights)
- Tue75%(651 flights)
- Wed77%(627 flights)
- Thu70%(630 flights)
- Fri75%(632 flights)
- Sat82%(384 flights)
- Sun65%(608 flights)
- 6–9 AM87%(988 flights)
- 9 AM–12 PM80%(664 flights)
- 12–3 PM66%(871 flights)
- 3–6 PM65%(852 flights)
- 6–9 PM65%(789 flights)
Jun 61% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 61% | 346 |
| July 2025 | 65% | 360 |
| August 2025 | 74% | 372 |
| September 2025 | 86% | 367 |
| October 2025 | 69% | 367 |
| November 2025 | 65% | 346 |
| December 2025 | 66% | 332 |
| January 2026 | 88% | 340 |
| February 2026 | 83% | 312 |
| March 2026 | 59% | 325 |
| April 2026 | 79% | 359 |
| May 2026 | 79% | 338 |
Same trip, other airports
Keep nerding
Based on 4,344 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.