Route
IAH → SNA
George Bush Intercontinental Airport John Wayne Orange County International Airport
Alerts at IAH and SNA
-
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
- 88.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,092
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Late-arriving aircraft 28%
- Air traffic control & airport 17%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.8% | 90 |
| October 2025 | 87.0% | 93 |
| November 2025 | 85.1% | 89 |
| December 2025 | 96.8% | 93 |
| January 2026 | 91.4% | 93 |
| February 2026 | 94.0% | 84 |
| March 2026 | 92.5% | 93 |
| April 2026 | 88.9% | 90 |
| May 2026 | 82.6% | 93 |
| June 2026 | 76.4% | 90 |
| July 2026 | 83.5% | 91 |
| August 2026 | 95.7% | 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 | 88.5% | 0.0% | 51 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1383
9% late · 365 flights
-
UA1172
15% late · 88 flights
-
UA2319
9% late · 77 flights
-
UA1545
10% late · 73 flights
-
UA781
15% late · 55 flights
-
UA2761
13% late · 46 flights
-
UA2780
13% late · 46 flights
-
UA1367
29% late · 37 flights
-
UA1613
5% late · 37 flights
-
UA492
17% late · 36 flights
-
UA2766
21% late · 35 flights
-
UA1450
16% late · 31 flights
-
UA1590
17% late · 24 flights
-
UA1612
12% late · 24 flights
-
UA2851
12% late · 24 flights
-
UA2482
5% late · 21 flights
-
UA326
0% late · 21 flights
-
UA2109
20% late · 20 flights
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