Best Time to Fly OMA to MDW: On-Time Stats by Hour & Airline
Eppley Airfield → Chicago Midway International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.2% of Omaha (OMA) to Chicago (MDW) flights arrived on time (1,327 scheduled flights). That is 3.6 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (90% on time) and Monday the weakest day of the week (78%).
1.4% of flights were cancelled, versus 1.8% nationally.
OMA to MDW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 81.2% | 49 min | 1.4% | 1,327 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly OMA to MDW
On-time arrival % by scheduled departure hour (local time), 2,721 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.7% | 1.7% | 419 |
| 6am–7am | 86.5% | 0.9% | 112 |
| 7am–8am | 86.6% | 0.9% | 227 |
| 8am–9am | 97.4% | 0.0% | 38 |
| 9am–10am | 94.3% | 0.0% | 53 |
| 10am–11am | 87.1% | 0.8% | 368 |
| 11am–12pm | 93.5% | 0.0% | 172 |
| 12pm–1pm | 86.7% | 0.8% | 121 |
| 1pm–2pm | 90.4% | 4.0% | 173 |
| 2pm–3pm | 80.8% | 0.0% | 161 |
| 3pm–4pm | 80.1% | 0.0% | 281 |
| 4pm–5pm | 62.2% | 2.1% | 289 |
| 5pm–6pm | 91.3% | 0.0% | 46 |
| 6pm–7pm | 75.4% | 1.6% | 187 |
| 7pm–8pm | 64.3% | 1.4% | 72 |
| 8pm–9pm | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on OMA to MDW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 81.2% | -4.5 pts | 3.9% | 51 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.3% | -3.5 pts | 0.0% | 113 |
| Summer peak (Jun 15 - Aug 15) | 77.0% | -8.7 pts | 0.9% | 534 |
| All other days | 85.8% | — | 1.2% | 2,023 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).