My trip
Plan a trip
Tell FlyerIntel where and when you are flying. It will show how that route actually performs at that time of day and on that day of the week, what both airports are doing right now, and when to get to the airport.
IAH → ORD
Houston to Chicago · departing 9:30 AM
IAH → ORD flights departing 9 AM–12 PM arrive on time 79.4% of the time, against 76.8% across the whole day — your departure window is 2.6 points better than average for this route.
Your slot
Add a date above to see how that hour has done on your day of the week, and what a nearby slot would change.
Other times on IAH → ORD
Time of day
On IAH → ORD, flights leaving 5–9 AM arrived on time 89.4% of the time, against 79.4% for those leaving 9 AM–12 PM: 10.0 points more often.
- 5–9 AM89.4%
- 9 AM–12 PM79.4%
- 12–3 PM77.4%
- 3–6 PM63.1%
- 6–9 PM65.6%
- 9 PM–5 AM74.1%
Day of week
- Monday76.4%
- Tuesday79.2%
- Wednesday78.4%
- Thursday77.3%
- Friday75.1%
- Saturday78.3%
- Sunday73.3%
Bars start below the lowest figure so a real gap is visible; read the percentage, not the bar length. A time with too few flights to score is left unscored rather than guessed at.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – August 2026 · History describes what has happened on this route. It is not a prediction about your flight. Full route profile →
Which flight
Flights on IAH → ORD, the ones scheduled closest to 9:30 AM first.
Within 90 minutes of 9:30 AM, UA1617 (usually 8:23 AM) has the best record: 89.6% on time and 0.62% cancelled over 322 flights, against 76.8% on time for IAH → ORD as a whole.
| Flight | Usually departs | On time | Cancelled |
|---|---|---|---|
| UA2124United AirlinesLive map | 9:30 AM | 86.5% | 0.33% |
| UA1617United AirlinesLive map | 8:23 AM67 min away | 89.6% | 0.62% |
| UA2182United AirlinesLive map | 7:20 AM130 min away | 88.6% | 0.52% |
| UA2417United AirlinesLive map | 11:55 AM145 min away | 77.2% | 0.46% |
| UA2616United AirlinesLive map | 6:30 AM180 min away | 89.3% | 0.77% |
| AA3106American AirlinesLive map | 6:00 AM210 min away | 85.5% | 3.02% |
| UA1044United AirlinesLive map | 5:00 AM270 min away | 96.5% | 0.00% |
| UA2197United AirlinesLive map | 6:40 PM550 min away | 66.1% | 0.32% |
| F91882Frontier AirlinesLive map | 8:00 PM630 min away | 57.6% | 2.47% |
| UA787United AirlinesLive map | 8:25 PM655 min away | 71.1% | 0.78% |
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – August 2026 · Showing 10 of 12 flight numbers. “Usually departs” is the scheduled time each flight number most often had over the period; airlines retime flights, so confirm the time on your booking. Flight numbers with fewer than 90 operations on this route are left out. This is history, not a forecast for your flight.
When to get to the airport
A starting point for IAH, not a promise about your day.
2h 0m before your 9:30 AM departure
How this was worked out
- FlyerIntel cannot currently obtain live security wait times for IAH, so this figure does not account for the queue on the day.
- It does not include your journey to the airport, parking, or a shuttle from a remote lot.
- International departures, and travel with children, checked pets or special assistance, need more time.
Both airports right now
Aviation weather is not currently a factor.
Minimal operational impact. Conditions are not a notable factor for operations right now.
UpdatedAviation weather is not currently a factor.
Minimal operational impact. Conditions are not a notable factor for operations right now.
UpdatedSource: NOAA Aviation Weather Center · Conditions describe the airfield, not your flight, and change quickly.
Other ways to make this journey
Airport pairings serving Houston to Chicago.
Who flies this route
Performance by the carrier that actually operates the flight.
| Carrier | Flights | On time | Cancelled | Median delay |
|---|---|---|---|---|
| United Airlines | 12,143 | 79.9% | 0.90% | -6 min |
| American Airlines | 2,322 | 71.1% | 2.24% | -5 min |
| Spirit Airlines | 1,312 | 67.9% | 2.67% | -3 min |
| Envoy Air | 686 | 73.3% | 1.31% | -7 min |
| Republic Airways | 582 | 73.5% | 3.61% | -9 min |
| Frontier Airlines | 519 | 59.7% | 4.24% | 5 min |