Route · LAS → ORD · 2020–2025 BTS data
Las Vegas to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAS to ORD (Las Vegas to Chicago) ranks #149 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.7%
- On-time
- +1.7 pts
- vs US avg
- 76 min
- Delay when late
- 28,710
- Flights
- #149 of 4927
- Corpus placement
Cancelled
1.2%
Best Month
Nov 2024 90%
Worst Month
Jul 2024 69%
Distance
1,514 mi
Carriers
30
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 359 | 85 | 3 | 1 | WN,F9,NK,AA,UA |
| Nov 2025 | 390 | 98 | 10 | 2 | UA,F9,NK,AA,WN |
| Oct 2025 | 482 | 106 | 0 | 0 | AA,UA,WN,F9,NK |
| Sep 2025 | 481 | 107 | 3 | 0 | UA,WN,NK,F9,AA |
| Aug 2025 | 485 | 105 | 10 | 3 | AA,WN,F9,NK,UA |
| Jul 2025 | 479 | 136 | 8 | 2 | AA,NK,UA,WN,F9 |
| Jun 2025 | 466 | 103 | 2 | 4 | AA,UA,WN,F9,NK |
| May 2025 | 472 | 93 | 3 | 1 | AA,NK,UA,WN,F9 |
| Apr 2025 | 434 | 65 | 1 | 2 | F9,NK,UA,WN,AA |
| Mar 2025 | 464 | 68 | 2 | 3 | AA,NK,UA,WN,F9 |
| Feb 2025 | 381 | 53 | 1 | 1 | AA,UA,WN,F9,NK |
| Jan 2025 | 390 | 58 | 2 | 0 | AA,UA,WN,F9,NK |
| Dec 2024 | 399 | 50 | 2 | 0 | AA,F9,NK,UA,WN |
| Nov 2024 | 408 | 42 | 0 | 0 | UA,NK,WN,F9,AA |
| Oct 2024 | 495 | 84 | 0 | 0 | UA,WN,NK,F9,AA |
| Sep 2024 | 456 | 77 | 0 | 1 | WN,UA,AA,F9,NK |
| Aug 2024 | 473 | 126 | 8 | 1 | AA,F9,NK,WN,UA |
| Jul 2024 | 438 | 137 | 22 | 7 | AA,F9,NK,UA,WN |
| Jun 2024 | 437 | 104 | 5 | 0 | AA,F9,NK,UA,WN |
| May 2024 | 530 | 152 | 10 | 6 | AA,F9,NK,UA,WN |
| Apr 2024 | 462 | 70 | 0 | 0 | AA,NK,UA,WN |
| Mar 2024 | 432 | 105 | 3 | 1 | AA,NK,UA,WN |
| Feb 2024 | 391 | 51 | 1 | 4 | AA,NK,UA,WN |
| Jan 2024 | 395 | 70 | 30 | 0 | AA,NK,WN,UA |
LAS–ORD seasonal on-time pattern
Best: January (85.3%) · weakest: July (73.3%)
Strongest calendar month
January
85.3% on-time · ~370 flights/mo
Busiest calendar month
October
~470 flights/mo avg
Weakest calendar month
July
73.3% on-time · ~413 flights/mo
Cancellation Rate
1.2%
126 of 10,599 flights
Diversion Rate
0.4%
39 of 10,599 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAS - Las Vegas
Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.
LAS on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See LAS and ORD side by side on delays, cancellations, and reliability.
Compare LAS vs ORDOrigin-hub reliability standing
Mid-pack among LAS departures
From LAS, this corridor sits with 71 other 75–85% on-time routes out of 83 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 10 below 75%). Destination: Chicago · fleet on-time rank #2851 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to LAS–ORD.
Routes with a similar on-time rate
What the Data Says About LAS to ORD
28,710 tracked flights put the LAS to ORD pairing (Las Vegas to Chicago) at a 80.7% on-time rate, squarely in line with the wider network. Delays that do occur run 75.9 minutes on average. Across the 1,514-mile route and its 30 carriers, the trailing 24 months show 1.2% cancelled and 0.4% diverted (10,599 flights sampled).
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 69% - a 21-point swing worth factoring into travel timing.
On the multi-year calendar, LAS–ORD peaks in January at 85.3% on-time while October carries the heaviest traffic (~470 flights per month) ; the softest month is July at 73.3%, a 12.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does LAS to ORD rank among US routes by traffic? ▼
How often are flights delayed from LAS to ORD? ▼
What is the cancellation rate for LAS to ORD? ▼
How far is the flight from LAS to ORD? ▼
When is the best time to fly from LAS to ORD? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using LAS–ORD data
LAS–ORD is mid-pack at 80.7% on-time; month and carrier mix move more than the corridor headline.
- Compare LAS and ORD airport profiles: delay causes and top routes differ even on the same corridor. LAS airport
- If your dates flex, January (85.3% on-time) beats July (73.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.7% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.