BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MDW→LGB

Chicago, IL (MDW) to Long Beach, CA (LGB) flight delay odds

73.3% of 288 official scheduled MDW-to-LGB flights arrived on time; 14.6% arrived at least 30 minutes late and 1.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
73.3%arrived on time
14.6%30+ min late
1.4%cancelled
288scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.2%all scheduled flights
120+ minutes late1.0%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+8.6 mincompleted flights

Which departure time was most reliable for MDW to LGB?

Among qualifying MDW-to-LGB departure window results, Late morning had the highest on-time rate: 81.3% of 155 flights. Afternoon was lowest at 59.3% across 91 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning15581.3%9.7%1.3%
Afternoon9159.3%23.1%1.1%

Which weekday was most reliable for MDW to LGB?

Among qualifying MDW-to-LGB weekday results, Tuesday had the highest on-time rate: 77.3% of 44 flights. Sunday was lowest at 69.8% across 43 flights.

DayFlightsOn time30+ minCancelled
Monday4470.5%15.9%2.3%
Tuesday4477.3%18.2%0.0%
Wednesday4372.1%9.3%2.3%
Thursday4374.4%14.0%2.3%
Friday4475.0%9.1%2.3%
Sunday4369.8%20.9%0.0%

Which airline was most reliable for MDW to LGB?

Only Southwest Airlines met the MDW-to-LGB airline threshold: 73.3% of 288 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines28873.3%14.6%1.4%

Which month was most reliable for MDW to LGB?

Among qualifying MDW-to-LGB month results, August 2025 had the highest on-time rate: 90.3% of 31 flights. June 2026 was lowest at 53.8% across 26 flights.

MonthFlightsOn time30+ minCancelled
July 20253164.5%19.4%0.0%
August 20253190.3%3.2%0.0%
September 20253083.3%10.0%0.0%
October 20253177.4%12.9%0.0%
November 20252989.7%6.9%3.4%
December 20253164.5%9.7%0.0%
March 20262356.5%26.1%8.7%
April 20262673.1%15.4%0.0%
May 20262572.0%20.0%0.0%
June 20262653.8%26.9%3.8%

What drove MDW to LGB delay minutes?

Airline was the largest recorded MDW-to-LGB delay category, accounting for 51.0% of 3,668 BTS-attributed delay minutes during July 2025–June 2026.

Airline51.0%
Late aircraft37.2%
National airspace10.8%
Weather0.9%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.