Which departure time was most reliable for LGA to IAH?
Among qualifying LGA-to-IAH departure window results, Early morning had the highest on-time rate: 88.4% of 1,115 flights. Evening was lowest at 59.8% across 876 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 1,115 | 88.4% | 4.7% | 2.4% |
| Late morning | 814 | 75.2% | 14.0% | 3.7% |
| Afternoon | 1,255 | 71.1% | 17.5% | 1.6% |
| Evening | 876 | 59.8% | 29.6% | 3.2% |
Which weekday was most reliable for LGA to IAH?
Among qualifying LGA-to-IAH weekday results, Tuesday had the highest on-time rate: 78.0% of 636 flights. Sunday was lowest at 69.4% across 581 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 624 | 71.5% | 18.3% | 4.5% |
| Tuesday | 636 | 78.0% | 13.4% | 1.9% |
| Wednesday | 614 | 74.6% | 15.3% | 2.1% |
| Thursday | 605 | 73.7% | 16.2% | 2.3% |
| Friday | 611 | 76.4% | 14.4% | 1.6% |
| Saturday | 389 | 76.6% | 13.6% | 2.8% |
| Sunday | 581 | 69.4% | 19.3% | 2.9% |
Which airline was most reliable for LGA to IAH?
Among qualifying LGA-to-IAH airline results, SkyWest Airlines had the highest on-time rate: 78.1% of 32 flights. Delta Air Lines was lowest at 71.3% across 1,342 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| United Airlines | 2,382 | 75.5% | 15.4% | 1.8% |
| Delta Air Lines | 1,342 | 71.3% | 17.8% | 3.7% |
| Spirit Airlines | 304 | 76.6% | 11.2% | 3.9% |
| SkyWest Airlines | 32 | 78.1% | 15.6% | 3.1% |
Which month was most reliable for LGA to IAH?
Among qualifying LGA-to-IAH month results, September 2025 had the highest on-time rate: 85.9% of 369 flights. July 2025 was lowest at 66.6% across 380 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 380 | 66.6% | 25.3% | 3.2% |
| August 2025 | 377 | 79.6% | 14.6% | 0.5% |
| September 2025 | 369 | 85.9% | 10.0% | 0.0% |
| October 2025 | 376 | 68.4% | 17.8% | 2.4% |
| November 2025 | 353 | 74.5% | 17.0% | 1.1% |
| December 2025 | 350 | 67.7% | 18.3% | 4.3% |
| January 2026 | 289 | 79.9% | 9.3% | 4.5% |
| February 2026 | 241 | 78.8% | 10.8% | 5.8% |
| March 2026 | 273 | 71.1% | 14.7% | 8.8% |
| April 2026 | 365 | 80.0% | 12.6% | 1.1% |
| May 2026 | 347 | 68.6% | 20.5% | 1.4% |
| June 2026 | 340 | 71.2% | 16.2% | 0.9% |
What drove LGA to IAH delay minutes?
Airline was the largest recorded LGA-to-IAH delay category, accounting for 35.6% of 78,463 BTS-attributed delay minutes during July 2025–June 2026.
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