Route
SAN → IAH
San Diego International Airport George Bush Intercontinental Airport
Alerts at SAN and IAH
-
Read the story →
Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
How punctual is this route?
- On-time arrivals
- 83.9%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,686
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Air traffic control & airport 25%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.2% | 137 |
| October 2025 | 89.8% | 147 |
| November 2025 | 78.2% | 142 |
| December 2025 | 86.2% | 145 |
| January 2026 | 88.3% | 128 |
| February 2026 | 92.1% | 127 |
| March 2026 | 80.5% | 152 |
| April 2026 | 92.1% | 142 |
| May 2026 | 85.2% | 149 |
| June 2026 | 79.6% | 142 |
| July 2026 | 75.5% | 144 |
| August 2026 | 71.5% | 131 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 1,686 | 83.9% | 0.3% | 76 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2237
22% late · 345 flights
-
UA496
9% late · 186 flights
-
UA2683
15% late · 137 flights
-
UA465
24% late · 134 flights
-
UA2140
12% late · 127 flights
-
UA1980
8% late · 119 flights
-
UA618
35% late · 102 flights
-
UA2165
11% late · 82 flights
-
UA2760
13% late · 68 flights
-
UA2472
2% late · 55 flights
-
UA2622
4% late · 55 flights
-
UA1950
14% late · 52 flights
-
UA1571
8% late · 37 flights
-
UA1501
6% late · 35 flights
-
UA2015
36% late · 33 flights
-
UA349
24% late · 29 flights
-
UA224
5% late · 21 flights
Reviews
No reviews yet. Be the first to review this route.