Route
ORF → MDW
Norfolk International Airport Chicago Midway International Airport
How punctual is this route?
- On-time arrivals
- 74.7%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 581
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 20%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.0% | 56 |
| October 2025 | 93.1% | 58 |
| November 2025 | 90.9% | 35 |
| December 2025 | 71.4% | 42 |
| January 2026 | 100.0% | 30 |
| February 2026 | 92.0% | 27 |
| March 2026 | 44.8% | 31 |
| April 2026 | 89.7% | 30 |
| May 2026 | 80.6% | 31 |
| June 2026 | 61.0% | 84 |
| July 2026 | 61.4% | 92 |
| August 2026 | 69.2% | 65 |
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 | 581 | 74.7% | 1.5% | 61 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3060
6% late · 53 flights
-
WN3388
7% late · 46 flights
-
WN3696
6% late · 32 flights
-
WN1056
6% late · 31 flights
-
WN766
30% late · 31 flights
-
WN4806
14% late · 28 flights
-
WN4809
43% late · 28 flights
-
WN1039
67% late · 27 flights
-
WN3187
64% late · 27 flights
-
WN2834
8% late · 26 flights
-
WN819
9% late · 22 flights
-
WN1960
59% late · 20 flights
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