Delta Air Lines IAH to LGA on-time performance
Delta Air Lines nonstop flights from Houston to New York · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
4.5%
61 flights
Avg arrival delay
22 min
95 min when late
Rank on route
#2 of 4
route average 73% on time
Key facts
- Delta Air Lines flights on IAH to LGA arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 4.5% were cancelled, and 9% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)47%
- Air traffic control & airport congestion28%
- Late-arriving aircraft22%
- Extreme weather2%
- Security0%
Other airlines on IAH to LGA
- United Airlines71% on time · 23 min avg delay
- Spirit Airlines61% on time · 31 min avg delay
- SkyWest Airlines84% on time · 7 min avg delay
Full IAH to LGA comparison →
Delta Air Lines on-time record across all routes →
1,345 Delta Air Lines flights tracked on this route; 61 cancelled, 13 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.