Chicago, IL · Airport profile
ORD
Chicago O'Hare International Airport
ORD right now
Current operating conditions, from live sources only.
Aviation weather is not currently a factor. FAA operational data — ground stops, ground delay programs and closures — is not currently available to FlyerIntel.
FAA operational data is not currently available to FlyerIntel. Why
Minimal operational impact. Conditions are not a notable factor for operations right now.
Forecast issued 23:20Z.
UpdatedSecurity wait data is not currently available for ORD. Why
Parking data is not currently available for ORD. Why
FlyerIntel shows live values only where a permitted source provides them. Sections without data are left empty rather than estimated.
Airport reliability
Departures from ORD, July 2023 – June 2026.
Better than 7% of major US airports covered by FlyerIntel (58 compared)
Calculated from 919,792 flights. How this is calculated
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – June 2026
Best time to fly from ORD
On-time arrival rate by scheduled local departure time.
Flights departing 5–9 AM arrived on time 84.4% of the time, against 66.2% for 6–9 PM departures — a gap of 18.2 percentage points.
By departure window
By departure hour
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026 · Buckets with fewer than 120 flights are not scored.
What to expect at ORD
How busy the airport is through the day, from scheduled departure volume.
Scheduled departures by hour
The busiest hour is 8 AM, with about 74 departures a day, against roughly 25 at 6 AM. Counterintuitively, that peak is also more punctual than a typical hour here — early banks fly aircraft that have been on the ground overnight rather than ones inheriting the day’s delays.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026 · Taxi-out is the time between leaving the gate and lifting off, averaged across departures and weighted by hour.
Weekly and seasonal patterns
By day of week
Tuesday is historically the most reliable day and Sunday the least, a gap of 6.1 percentage points.
By month
July is historically the weakest month and October the strongest, a spread of 15.2 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026
Airlines at ORD
Departure performance by operating carrier. Regional flights are reported by the carrier that operated them, not by the mainline brand.
| Carrier | Departures | On time | Cancelled | Median delay |
|---|---|---|---|---|
| United Airlines UA | 279,602 | 76.8% | 1.09% | -5 min |
| SkyWest Airlines OO | 186,962 | 71.2% | 2.43% | -2 min |
| American Airlines AA | 162,337 | 71.2% | 1.71% | -3 min |
| Envoy Air MQ | 123,316 | 76.6% | 1.92% | -5 min |
| Republic Airways YX | 70,990 | 81.1% | 2.27% | -9 min |
| Delta Air Lines DL | 32,351 | 77.6% | 1.61% | -8 min |
| Spirit Airlines NK | 20,572 | 71.2% | 2.18% | -5 min |
| Southwest Airlines WN | 18,221 | 76.5% | 1.26% | -5 min |
| Alaska Airlines AS | 9,420 | 71.6% | 1.23% | -2 min |
| Frontier Airlines F9 | 8,935 | 64.7% | 2.92% | 1 min |
| PSA Airlines OH | 3,619 | 59.2% | 6.60% | 4 min |
| JetBlue B6 | 3,368 | 74.8% | 2.05% | -9 min |
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026 · Carriers with fewer than 500 departures are not listed.
Routes from ORD
Ranked by FlyerIntel Route Reliability Score.
Most reliable
Busiest routes
| Destination | Flights | On time | Score |
|---|---|---|---|
| ORD → LGA New York | 32,929 | 73.7% | 42 |
| ORD → BOS Boston | 21,109 | 72.6% | 48 |
| ORD → LAX Los Angeles | 20,424 | 76.5% | 61 |
| ORD → DFW Dallas–Fort Worth | 19,767 | 73.0% | 48 |
| ORD → DCA Washington | 19,515 | 73.1% | 47 |
| ORD → DEN Denver | 18,950 | 77.0% | 62 |
| ORD → ATL Atlanta | 17,986 | 75.8% | 56 |
| ORD → EWR Newark | 17,938 | 72.0% | 40 |
| ORD → MSP Minneapolis | 17,746 | 73.3% | 53 |
| ORD → PHX Phoenix | 17,440 | 78.1% | 64 |
| ORD → DTW Detroit | 16,891 | 76.6% | 54 |
| ORD → MCO Orlando | 16,695 | 75.4% | 56 |
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026 · Only routes with at least 750 flights are ranked.
Reliability over time
On-time arrival rate for departures, by month.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – June 2026
Data and sources
Historical statistics
Every historical figure on this page is calculated by FlyerIntel from US DOT Bureau of Transportation Statistics on-time performance records covering July 2023 – June 2026, comprising 919,792 departures from ORD. A flight counts as delayed when it arrives 15 or more minutes after schedule.
Live conditions
Aviation weather comes from the NOAA Aviation Weather Center. Operational events come from the FAA where available. FlyerIntel shows the age of every live value and does not display data it cannot currently retrieve.
Latest observation for ORD: METAR KORD 292351Z 17008KT 10SM FEW070 BKN110 BKN150 BKN250 24/17 A3001 RMK AO2 RAE18 SLP159 P0000 60000 T02440167 10272 20244 58012 $ (issued ).