Route
MEM → IAH
Frederick W. Smith International Airport George Bush Intercontinental Airport
How punctual is this route?
- On-time arrivals
- 80.9%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,075
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 36%
- Air traffic control & airport 29%
- Airline (crew, maintenance, cleaning) 27%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 94.0% | 100 |
| October 2025 | 77.4% | 93 |
| November 2025 | 76.4% | 89 |
| December 2025 | 69.2% | 78 |
| January 2026 | 84.9% | 80 |
| February 2026 | 87.0% | 69 |
| March 2026 | 79.8% | 91 |
| April 2026 | 78.8% | 119 |
| May 2026 | 80.0% | 95 |
| June 2026 | 73.3% | 90 |
| July 2026 | 81.3% | 92 |
| August 2026 | 89.7% | 79 |
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 | 723 | 78.6% | 0.8% | 90 min |
| United Airlines | 352 | 85.6% | 1.4% | 57 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO5798
27% late · 251 flights
-
UA537
15% late · 179 flights
-
OO5451
19% late · 135 flights
-
OO5525
21% late · 81 flights
-
OO5467
17% late · 53 flights
-
OO5710
16% late · 37 flights
-
UA2860
15% late · 36 flights
-
UA494
22% late · 36 flights
-
OO5235
38% late · 32 flights
-
OO5236
12% late · 32 flights
-
OO5693
8% late · 28 flights
-
UA740
16% late · 25 flights
-
UA1799
4% late · 24 flights
-
OO5867
9% late · 23 flights
-
OO5285
10% late · 21 flights
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