PlainFlights

Route · MDW → LGB · 2020–2025 BTS data

Chicago to Long Beach

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MDW to LGB (Chicago to Long Beach) ranks #3976 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.8%
On-time
-2.2 pts
vs US avg
53 min
Delay when late
1,741
Flights
#3976 of 4927
Corpus placement

Cancelled

1.2%

Best Month

Dec 2023 95%

Worst Month

Sep 2023 48%

Distance

1,741 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 11 0 0 WN
Oct 2025 31 7 0 0 WN
Sep 2025 30 5 0 0 WN
Aug 2025 31 3 0 0 WN
Jul 2025 31 11 0 0 WN
Jun 2025 30 7 0 0 WN
Jan 2025 31 3 0 0 WN
Dec 2024 32 7 0 0 WN
Nov 2024 30 4 0 0 WN
Oct 2024 31 3 0 0 WN
Sep 2024 34 6 0 0 WN
Aug 2024 36 2 0 0 WN
Jul 2024 54 16 0 0 WN
Jun 2024 50 16 0 1 WN
May 2024 54 23 0 2 WN
Apr 2024 52 12 0 0 WN
Mar 2024 52 6 0 0 WN
Feb 2024 50 11 0 0 WN
Jan 2024 55 11 7 0 WN
Dec 2023 57 3 2 0 WN
Nov 2023 55 5 1 0 WN
Oct 2023 53 16 0 0 WN
Sep 2023 52 27 0 0 WN
Aug 2023 58 16 2 1 WN

MDW–LGB seasonal on-time pattern

Best: November (91.3%) · weakest: July (67.3%)

60%70%80%90%100% JanFebMarAprMayJunJulAugSepOctNovDec 76.2%

Strongest calendar month

November

91.3% on-time · ~38 flights/mo

Busiest calendar month

February

~50 flights/mo avg

Weakest calendar month

July

67.3% on-time · ~39 flights/mo

Cancellation Rate

1.2%

12 of 1,020 flights

Diversion Rate

0.4%

4 of 1,020 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

MDW - Chicago

Full on-time, delay-cause, and seasonal performance for Chicago, IL.

MDW on-time profile

LGB - Long Beach

Full on-time, delay-cause, and seasonal performance for Long Beach, CA.

LGB on-time profile

Compare the two airports

See MDW and LGB side by side on delays, cancellations, and reliability.

Compare MDW vs LGB

Origin-hub reliability standing

Mid-pack among MDW departures

From MDW, this corridor sits with 51 other 75–85% on-time routes out of 69 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 18 below 75%). Destination: Long Beach · fleet on-time rank #4144 of 4927.

What the Data Says About MDW to LGB

The Chicago to Long Beach corridor (MDW to LGB) posts a 76.8% on-time rate on the lower edge of the average band, based on 1,741 tracked flights. Late flights run 53.4 minutes behind on average. 1 carrier cover the 1,741-mile route; over the last 24 months, 12 of 1,020 flights were cancelled (1.2%) and 0.4% diverted.

The monthly split is wide on this route: Dec 2023 posted the strongest performance at 95% on-time, while Sep 2023 came in at just 48% - a 47-point swing worth factoring into travel timing.

On the multi-year calendar, MDW–LGB peaks in November at 91.3% on-time while February carries the heaviest traffic (~50 flights per month) ; the softest month is July at 67.3%, a 24.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MDW to LGB rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MDW to LGB ranks #3976 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from MDW to LGB? ▼
Flights from Chicago to Long Beach have a 76.8% on-time rate based on 1,741 flights. The average delay is 53.4 minutes. The best recent month was Dec 2023 with 95% on-time.
What is the cancellation rate for MDW to LGB? ▼
Over the last 24 months, 1.2% of flights on this route were cancelled (12 of 1,020 flights) and 0.4% were diverted.
How far is the flight from MDW to LGB? ▼
The flight distance from Chicago (MDW) to Long Beach (LGB) is approximately 1,741 miles. This route is served by 1 carrier.
When is the best time to fly from MDW to LGB? ▼
The best recent month for on-time performance was Dec 2023 (95% on-time). The worst was Sep 2023 (48% on-time). Consider booking during months with historically better performance.

Airports on this route

MDW Airport

Chicago
LGB Airport

Long Beach
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 MDW–LGB data

MDW–LGB is mid-pack at 76.8% on-time; month and carrier mix move more than the corridor headline.

  • Compare MDW and LGB airport profiles: delay causes and top routes differ even on the same corridor. MDW airport
  • If your dates flex, November (91.3% on-time) beats July (67.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.8% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.