George Bush Intcntl/Houston ⇄ Ontario International IAH–ONT
Airlines flew 1,645 flights between George Bush Intcntl/Houston IAH in Houston, TX and Ontario International ONT in Ontario, CA in the twelve months to July 2026, both directions together: 164,459 passengers in 209,508 seats, 78% of them filled, and 28,904,441 pounds of freight. 1,334 miles, about 176 minutes in the air, on 6 airlines: United Air Lines Inc. (729), Air Transport International (416), Frontier Airlines Inc. (387), United Parcel Service (109) and 2 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 99 |
| 2/25 | 96 |
| 3/25 | 136 |
| 4/25 | 131 |
| 5/25 | 105 |
| 6/25 | 85 |
| 7/25 | 87 |
| 8/25 | 90 |
| 9/25 | 95 |
| 10/25 | 107 |
| 11/25 | 106 |
| 12/25 | 127 |
| 1/26 | 117 |
| 2/26 | 131 |
| 3/26 | 143 |
| 4/26 | 171 |
| 5/26 | 189 |
| 6/26 | 181 |
| 7/26 | 188 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 10,788 |
| 2/25 | 10,455 |
| 3/25 | 15,356 |
| 4/25 | 15,010 |
| 5/25 | 13,199 |
| 6/25 | 12,977 |
| 7/25 | 12,964 |
| 8/25 | 12,084 |
| 9/25 | 13,119 |
| 10/25 | 13,999 |
| 11/25 | 11,887 |
| 12/25 | 13,491 |
| 1/26 | 10,904 |
| 2/26 | 9,993 |
| 3/26 | 10,902 |
| 4/26 | 12,452 |
| 5/26 | 18,231 |
| 6/26 | 18,076 |
| 7/26 | 19,321 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 729 | 101,095 | 81% | scheduled passenger service |
| Air Transport International 8C | 416 | 0 | charter cargo service | |
| Frontier Airlines Inc. F9 | 387 | 62,895 | 75% | scheduled passenger service |
| United Parcel Service 5X | 109 | 0 | scheduled cargo service | |
| American Airlines Inc. AA | 3 | 469 | 82% | scheduled passenger service |
| Hawaiian Airlines Inc. HA | 1 | 0 | charter cargo service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-900 | 565 | 179 | 81,786 |
| Boeing 767-300/300ER | 461 | 0 | 0 |
| Airbus Industrie A321-200n | 162 | 235 | 27,727 |
| Airbus Industrie A320-200n | 130 | 186 | 20,110 |
| Airbus Industrie A319 | 92 | 126 | 9,405 |
| Airbus Industrie A321Neoxlr | 88 | 229 | 14,018 |
| Boeing 737-900ER | 57 | 179 | 8,237 |
| Boeing 757-200 | 44 | 0 | 0 |
| Airbus Industrie A300-600/R/CF/RCF | 18 | 0 | 0 |
| Airbus Industrie A320-100/200 | 18 | 169 | 2,379 |
| Boeing B737 Max 900 | 4 | 179 | 397 |
| Boeing 737-800 | 3 | 166 | 400 |
| Boeing 767-200/ER/EM | 2 | 0 | 0 |
| Airbus Industrie A330-200 | 1 | 0 | 0 |
IAH → ONT this direction alone · flown January 2025 to July 2026
813 flights of 602 scheduled, 81,336 passengers in 104,042 seats, 14,131,353 pounds of freight, 699,091 pounds of mail. United Air Lines Inc. 366; Air Transport International 209; Frontier Airlines Inc. 195; United Parcel Service 42; Hawaiian Airlines Inc. 1.
ONT → IAH this direction alone · flown January 2025 to July 2026
832 flights of 627 scheduled, 83,123 passengers in 105,466 seats, 14,773,088 pounds of freight, 908,858 pounds of mail. United Air Lines Inc. 363; Air Transport International 207; Frontier Airlines Inc. 192; United Parcel Service 67; American Airlines Inc. 3.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: George Bush Intcntl/Houston IAH and Ontario International ONT; all routes.