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WanderNerd

Route Reliability

Houston → New York

IAHLGA · 1,416 miles · George Bush Intercontinental Airport to LaGuardia Airport

62
A Little Dicey
WanderNerd Reliability Score
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. 1.Delta Air Lines77%1,338 flights
  2. 2.United Airlines72%2,680 flights
  3. 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

On-time by weekday
  • Mon70%(632 flights)
  • Tue75%(651 flights)
  • Wed77%(627 flights)
  • Thu70%(630 flights)
  • Fri75%(632 flights)
  • Sat82%(384 flights)
  • Sun65%(608 flights)
On-time by departure window
  • 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)
On-time trend by month
79%
May

Jun 61% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%346
July 202565%360
August 202574%372
September 202586%367
October 202569%367
November 202565%346
December 202566%332
January 202688%340
February 202683%312
March 202659%325
April 202679%359
May 202679%338

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.