Route
SNA → IAH
John Wayne Orange County International Airport George Bush Intercontinental Airport
Alerts at SNA and IAH
-
Advisory Airport Closure SNA
Airport Closure at John Wayne Orange County International Airport (SNA): Reopens Nov 08 at 14:15 UTC.
Airport status
How punctual is this route?
- On-time arrivals
- 88.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,092
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 48%
- Late-arriving aircraft 25%
- Airline (crew, maintenance, cleaning) 24%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.2% | 90 |
| October 2025 | 96.7% | 93 |
| November 2025 | 85.4% | 89 |
| December 2025 | 89.2% | 93 |
| January 2026 | 95.7% | 93 |
| February 2026 | 91.7% | 84 |
| March 2026 | 84.6% | 93 |
| April 2026 | 90.0% | 90 |
| May 2026 | 89.2% | 93 |
| June 2026 | 80.0% | 90 |
| July 2026 | 76.9% | 91 |
| August 2026 | 89.1% | 93 |
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 | 1,092 | 88.4% | 0.0% | 76 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA643
14% late · 232 flights
-
UA700
7% late · 180 flights
-
UA517
9% late · 140 flights
-
UA2044
24% late · 56 flights
-
UA434
5% late · 55 flights
-
UA2050
33% late · 46 flights
-
UA1457
5% late · 37 flights
-
UA1608
0% late · 37 flights
-
UA730
0% late · 37 flights
-
UA1179
28% late · 36 flights
-
UA742
6% late · 32 flights
-
UA2676
0% late · 31 flights
-
UA1352
12% late · 24 flights
-
UA1950
38% late · 24 flights
-
UA2294
0% late · 24 flights
-
UA2451
13% late · 23 flights
-
UA1477
5% late · 21 flights
-
UA657
19% late · 21 flights
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