Flight profile · SkyWest Airlines
OO5420
Chicago (ORD) to Moline (MLI) · scheduled 2:10 PM – 3:14 PM
How OO5420 performs
577 operations, 2023-07-01 to 2026-06-30.
OO5420 arrived on time 74.8% of the time, against 71.6% for all ORD → MLI flights — this specific departure is 3.3 percentage points better than the route as a whole. Against SkyWest Airlines’s own flights on this route it is 3.1 points better.
Source: US DOT Bureau of Transportation Statistics · 577 operations between 2023-07-01 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| OO5420 | 74.8% | 2.77% | -4 min | 9.8% | 577 |
| SkyWest Airlines on ORD → MLI | 71.7% | 3.23% | -2 min | 11.4% | 3,895 |
| All ORD → MLI flights | 71.6% | 3.12% | -2 min | 11.0% | 4,678 |
Source: FlyerIntel analysis of US DOT BTS data · 2023-07-01 to 2026-06-30
Other routes OO5420 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| CMH→ORD Columbus to Chicago | 2026-06-26 – 2026-06-26 | 1 | — |
| SAV→ORD Savannah to Chicago | 2026-06-01 – 2026-06-22 | 13 | — |
| MKE→ORD Milwaukee to Chicago | 2026-05-21 – 2026-05-31 | 11 | — |
| ORD→RAP Chicago to Rapid City | 2026-04-04 – 2026-04-25 | 4 | — |
| LIT→IAH Little Rock to Houston | 2026-01-06 – 2026-03-28 | 82 | — |
| DSM→DEN Des Moines to Denver | 2025-12-18 – 2026-01-05 | 19 | — |
| CVG→ORD Cincinnati / Covington to Chicago | 2025-10-26 – 2025-12-17 | 47 | — |
| MCI→ORD Kansas City to Chicago | 2025-11-22 – 2025-11-29 | 2 | — |
| MSP→ORD Minneapolis to Chicago | 2025-11-01 – 2025-11-27 | 4 | — |
| IAH→LBB Houston to Lubbock | 2025-05-22 – 2025-06-25 | 35 | — |
| ORD→SBN Chicago to South Bend | 2025-03-30 – 2025-04-30 | 32 | — |
| SFO→BIH San Francisco to Bishop | 2025-01-09 – 2025-02-10 | 25 | — |
| GRR→ORD Grand Rapids to Chicago | 2024-12-19 – 2025-01-06 | 19 | — |
| ORD→MCI Chicago to Kansas City | 2024-05-25 – 2024-06-23 | 10 | — |
| SBN→ORD South Bend to Chicago | 2024-05-02 – 2024-05-22 | 21 | — |
| ORD→TYS Chicago to Knoxville/Maryville | 2024-03-31 – 2024-05-01 | 32 | — |
| LAX→BOI Los Angeles to Boise | 2023-12-14 – 2023-12-20 | 7 | — |
| DEN→ABQ Denver to Albuquerque | 2023-12-01 – 2023-12-13 | 13 | — |
| ORD→SLC Chicago to Salt Lake City | 2023-09-29 – 2023-10-28 | 30 | — |
| ORD→MSN Chicago to Madison | 2023-08-01 – 2023-09-04 | 30 | — |
Because the same number has served different journeys, the statistics above describe only the route OO5420 currently operates. Blending them would produce an average of two different flights.
Why OO5420 runs late
Where US DOT attributed the delay minutes on this flight.
the inbound aircraft was late, so this flight started late
crew, maintenance, boarding, fuelling — within the carrier’s control
airspace and airport capacity, including weather-driven flow control
weather severe enough to stop this flight specifically
Share of the delay minutes US DOT attributed to each cause for OO5420 on ORD → MLI. A single late flight can carry more than one cause, and only delays of fifteen minutes or more are attributed at all.
Other departures on ORD → MLI
Same airports, same journey — and not the same odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| OO5568 | SkyWest Airlines | 77.2% | 6 min early | 873 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 577 records of OO5420 operating ORD → MLI, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.
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