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3,408 km · International

Chicago O'Hare (ORD) – Cyril E. King (STT)

In July 2026, 8 flights operated between Chicago O'Hare and Cyril E. King (both directions), and 100.0% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods18 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January4089▲ 122.5%
February3294▲ 193.8%
March65122▲ 87.7%
April1870▲ 288.9%
May10100.0%
June880.0%
July880.0%
August5––
September–––
October2–in progress
November28––
December68––
Year to date (Jan–Jul)181401▲ 121.5%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods18 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January77.5%70.8%▼ 8.6%
February84.4%81.9%▼ 3.0%
March84.6%77.0%▼ 9.0%
April72.2%80.0%▲ 10.8%
May90.0%80.0%▼ 11.1%
June75.0%100.0%▲ 33.3%
July100.0%100.0%0.0%
August80.0%––
September–––
October100.0%–in progress
November78.6%––
December75.0%––
Year-to-date average (Jan–Jul)83.4%84.2%▲ 1.0%

Cancelled flights by month

The most recent periods18 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January05–
February00–
March10▼ 100.0%
April00–
May00–
June00–
July00–
August1––
September–––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)15▲ 400.0%

Airlines on this route

  1. United Airlines 68.8%
  2. American Airlines 31.2%

Oct 1, 2024 – Jul 31, 2026

By direction

ORD → STT

Scheduled flights
378
Flights operated
374
Cancelled
4 · 1.1%
On-time departures
81.0%

STT → ORD

Scheduled flights
378
Flights operated
375
Cancelled
3 · 0.8%
On-time departures
78.7%

ORD → STT and STT → ORD counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
United Airlines UA 520 68.8% 83.9% 5
American Airlines AA 236 31.2% 70.9% 2

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 27, 2024 → Jul 25, 2026

Recorded flights756ORD–STT

Departure hour

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 28 · 28 recorded · 28 measured · Source: the US BTS 08:00 · 179 · 179 recorded · 177 measured · Source: the US BTS 09:00 · 135 · 135 recorded · 134 measured · Source: the US BTS 10:00 · 36 · 36 recorded · 35 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 13:00 · 29 · 29 recorded · 29 measured · Source: the US BTS 14:00 · 144 · 144 recorded · 144 measured · Source: the US BTS 15:00 · 188 · 188 recorded · 185 measured · Source: the US BTS 16:00 · 16 · 16 recorded · 16 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00No observations———
06:00No observations———
07:00Fewer than 200 measured departures—2828
08:00Fewer than 200 measured departures—177179
09:00Fewer than 200 measured departures—134135
10:00Fewer than 200 measured departures—3536
11:00No observations———
12:00Fewer than 200 measured departures—11
13:00Fewer than 200 measured departures—2929
14:00Fewer than 200 measured departures—144144
15:00Fewer than 200 measured departures—185188
16:00Fewer than 200 measured departures—1616
17:00No observations———
18:00No observations———
19:00No observations———
20:00No observations———
21:00No observations———
22:00No observations———
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · Fewer than 200 measured departures · 72 recorded · 72 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 60 recorded · 59 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 84 recorded · 84 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 84 recorded · 84 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 74 recorded · 74 measured · Source: the US BTS Saturday · 78.4% · 242 recorded · 236 measured · Source: the US BTS Sunday · Fewer than 200 measured departures · 140 recorded · 140 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · Fewer than 200 measured departures · 72 recorded · 72 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 60 recorded · 59 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 84 recorded · 84 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 84 recorded · 84 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 74 recorded · 74 measured · Source: the US BTS Saturday · 16.9 min · 242 recorded · 236 measured · Source: the US BTS Sunday · Fewer than 200 measured departures · 140 recorded · 140 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 72 · 72 recorded · 72 measured · Source: the US BTS Tuesday · 60 · 60 recorded · 59 measured · Source: the US BTS Wednesday · 84 · 84 recorded · 84 measured · Source: the US BTS Thursday · 84 · 84 recorded · 84 measured · Source: the US BTS Friday · 74 · 74 recorded · 74 measured · Source: the US BTS Saturday · 242 · 242 recorded · 236 measured · Source: the US BTS Sunday · 140 · 140 recorded · 140 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—7272
TuesdayFewer than 200 measured departures—5960
WednesdayFewer than 200 measured departures—8484
ThursdayFewer than 200 measured departures—8484
FridayFewer than 200 measured departures—7474
Saturday78.4%16.9 min236242
SundayFewer than 200 measured departures—140140

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 134 · 134 recorded · 129 measured · Source: the US BTS Feb · 126 · 126 recorded · 126 measured · Source: the US BTS Mar · 188 · 188 recorded · 187 measured · Source: the US BTS Apr · 88 · 88 recorded · 88 measured · Source: the US BTS May · 20 · 20 recorded · 20 measured · Source: the US BTS Jun · 16 · 16 recorded · 16 measured · Source: the US BTS Jul · 16 · 16 recorded · 16 measured · Source: the US BTS Aug · 6 · 6 recorded · 5 measured · Source: the US BTS Sep · No observations · 0 recorded · 0 measured · Source: the US BTS Oct · 4 · 4 recorded · 4 measured · Source: the US BTS Nov · 46 · 46 recorded · 46 measured · Source: the US BTS Dec · 112 · 112 recorded · 112 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—129134
FebFewer than 200 measured departures—126126
MarFewer than 200 measured departures—187188
AprFewer than 200 measured departures—8888
MayFewer than 200 measured departures—2020
JunFewer than 200 measured departures—1616
JulFewer than 200 measured departures—1616
AugFewer than 200 measured departures—56
SepNo observations———
OctFewer than 200 measured departures—44
NovFewer than 200 measured departures—4646
DecFewer than 200 measured departures—112112

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 79.1% 598
  • Delayed >15 min 20.0% 151
  • Cancelled 0.9% 7
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

4
Flight numbersBy direction DeparturesOn time
UA2176 ORD → STT 260 83.7%
UA2365 STT → ORD 260 84.1%
AA1893 STT → ORD 54 77.8%
AA1150 ORD → STT 30 73.3%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 8 +0.0% 0 100.0%
June 2026 8 +0.0% 0 100.0%
May 2026 10 +0.0% 0 80.0%
April 2026 70 +288.9% 0 80.0%
March 2026 122 +87.7% 0 77.0%
February 2026 94 +193.8% 0 81.9%
January 2026 89 +122.5% 5 70.8%
December 2025 68 +54.5% 0 75.0%
November 2025 28 +55.6% 0 78.6%
October 2025 2 +0.0% 0 100.0%
August 2025 5 1 80.0%
July 2025 8 0 100.0%
June 2025 8 0 75.0%
May 2025 10 0 90.0%
April 2025 18 0 72.2%
March 2025 65 1 84.6%
February 2025 32 0 84.4%
January 2025 40 0 77.5%
December 2024 44 0 84.1%
November 2024 18 0 94.4%
October 2024 2 0 100.0%

How to read this chart

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