Route
IAH → MEM
George Bush Intercontinental Airport Frederick W. Smith International Airport
How punctual is this route?
- On-time arrivals
- 80.6%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,075
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 47%
- Late-arriving aircraft 36%
- Air traffic control & airport 11%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.1% | 101 |
| October 2025 | 82.8% | 93 |
| November 2025 | 78.7% | 89 |
| December 2025 | 78.5% | 79 |
| January 2026 | 82.2% | 79 |
| February 2026 | 82.6% | 69 |
| March 2026 | 74.4% | 92 |
| April 2026 | 72.6% | 118 |
| May 2026 | 75.8% | 95 |
| June 2026 | 79.8% | 90 |
| July 2026 | 81.3% | 92 |
| August 2026 | 89.7% | 78 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 719 | 84.7% | 1.0% | 76 min |
| United Airlines | 356 | 72.4% | 1.1% | 52 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1794
28% late · 324 flights
-
OO5758
12% late · 250 flights
-
OO5329
19% late · 134 flights
-
OO5360
10% late · 75 flights
-
OO5254
11% late · 55 flights
-
OO4736
11% late · 36 flights
-
OO5228
38% late · 32 flights
-
OO5229
19% late · 31 flights
-
OO5683
8% late · 28 flights
-
OO5361
39% late · 24 flights
-
OO5722
5% late · 21 flights
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