Route
MDW → LGB
Chicago Midway International Airport Long Beach International Airport
1,741 miles
Return route LGB → MDW →
How punctual is this route?
- On-time arrivals
- 73.4%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 283
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 56%
- Late-arriving aircraft 29%
- Air traffic control & airport 15%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.3% | 30 |
| October 2025 | 77.4% | 31 |
| November 2025 | 92.9% | 29 |
| December 2025 | 64.5% | 31 |
| January 2026 | 80.0% | 5 |
| March 2026 | 61.9% | 23 |
| April 2026 | 73.1% | 26 |
| May 2026 | 72.0% | 25 |
| June 2026 | 56.0% | 26 |
| July 2026 | 76.9% | 27 |
| August 2026 | 70.0% | 30 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 283 | 73.4% | 1.8% | 51 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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