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1,400 km · Domestic

Newark Liberty (EWR) – St. Louis Lambert (STL)

In July 2026, 159 flights operated between Newark Liberty and St. Louis Lambert (both directions), and 79.2% 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 periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January161157▼ 2.5%
February162152▼ 6.2%
March170175▲ 2.9%
April114170▲ 49.1%
May92182▲ 97.8%
June144177▲ 22.9%
July158159▲ 0.6%
August183––
September206––
October182–in progress
November157––
December147––
Year to date (Jan–Jul)1,0011,172▲ 17.1%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January85.7%89.2%▲ 4.1%
February84.0%90.8%▲ 8.1%
March87.1%85.7%▼ 1.6%
April70.2%94.7%▲ 34.9%
May75.0%93.4%▲ 24.5%
June73.6%79.7%▲ 8.3%
July77.2%79.2%▲ 2.6%
August78.1%––
September86.9%––
October74.2%–in progress
November84.7%––
December74.1%––
Year-to-date average (Jan–Jul)79.0%87.5%▲ 10.8%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January1119▲ 72.7%
February614▲ 133.3%
March43▼ 25.0%
April62▼ 66.7%
May164▼ 75.0%
June63▼ 50.0%
July2625▼ 3.8%
August3––
September6––
October4–in progress
November13––
December6––
Year to date (Jan–Jul)7570▼ 6.7%

Airlines on this route

  1. Republic Airways 83.3%
  2. United Airlines 16.7%

Oct 1, 2024 – Jul 31, 2026

By direction

EWR → STL

Scheduled flights
1,840
Flights operated
1,744
Cancelled
96 · 5.2%
On-time departures
83.8%

STL → EWR

Scheduled flights
1,835
Flights operated
1,750
Cancelled
85 · 4.6%
On-time departures
82.1%

EWR → STL and STL → EWR counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Republic Airways YX 3,063 83.3% 85.2% 170
United Airlines UA 612 16.7% 71.9% 11

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 12, 2024 → Jul 31, 2026

Lowest average delay06:00–07:000.1min · 267 recorded · 259 measured
Gap to highest-delay hour24.0min06:00 ↔ 17:00
Recorded flights3,675EWR–STL

Departure hour

On-time departures 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 · 91.5% · 267 recorded · 259 measured · Source: the US BTS 07:00 · 90.7% · 386 recorded · 375 measured · Source: the US BTS 08:00 · 91.7% · 222 recorded · 216 measured · Source: the US BTS 09:00 · 91.4% · 391 recorded · 382 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 29 recorded · 28 measured · Source: the US BTS 11:00 · 83.2% · 412 recorded · 393 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 175 recorded · 167 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 23 recorded · 22 measured · Source: the US BTS 14:00 · 86.1% · 420 recorded · 409 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 124 recorded · 114 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 106 recorded · 100 measured · Source: the US BTS 17:00 · 72.6% · 449 recorded · 423 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 40 recorded · 33 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 34 recorded · 34 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 13 recorded · 11 measured · Source: the US BTS 21:00 · 73.3% · 490 recorded · 442 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 94 recorded · 86 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.

Average departure delay 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 · 0.1 min · 267 recorded · 259 measured · Source: the US BTS 07:00 · 6.1 min · 386 recorded · 375 measured · Source: the US BTS 08:00 · 2.3 min · 222 recorded · 216 measured · Source: the US BTS 09:00 · 0.5 min · 391 recorded · 382 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 29 recorded · 28 measured · Source: the US BTS 11:00 · 13.2 min · 412 recorded · 393 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 175 recorded · 167 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 23 recorded · 22 measured · Source: the US BTS 14:00 · 5.9 min · 420 recorded · 409 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 124 recorded · 114 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 106 recorded · 100 measured · Source: the US BTS 17:00 · 24.1 min · 449 recorded · 423 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 40 recorded · 33 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 34 recorded · 34 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 13 recorded · 11 measured · Source: the US BTS 21:00 · 17.3 min · 490 recorded · 442 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 94 recorded · 86 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.

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 · 267 · 267 recorded · 259 measured · Source: the US BTS 07:00 · 386 · 386 recorded · 375 measured · Source: the US BTS 08:00 · 222 · 222 recorded · 216 measured · Source: the US BTS 09:00 · 391 · 391 recorded · 382 measured · Source: the US BTS 10:00 · 29 · 29 recorded · 28 measured · Source: the US BTS 11:00 · 412 · 412 recorded · 393 measured · Source: the US BTS 12:00 · 175 · 175 recorded · 167 measured · Source: the US BTS 13:00 · 23 · 23 recorded · 22 measured · Source: the US BTS 14:00 · 420 · 420 recorded · 409 measured · Source: the US BTS 15:00 · 124 · 124 recorded · 114 measured · Source: the US BTS 16:00 · 106 · 106 recorded · 100 measured · Source: the US BTS 17:00 · 449 · 449 recorded · 423 measured · Source: the US BTS 18:00 · 40 · 40 recorded · 33 measured · Source: the US BTS 19:00 · 34 · 34 recorded · 34 measured · Source: the US BTS 20:00 · 13 · 13 recorded · 11 measured · Source: the US BTS 21:00 · 490 · 490 recorded · 442 measured · Source: the US BTS 22:00 · 94 · 94 recorded · 86 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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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———
06:0091.5%0.1 min259267
07:0090.7%6.1 min375386
08:0091.7%2.3 min216222
09:0091.4%0.5 min382391
10:00Fewer than 200 measured departures—2829
11:0083.2%13.2 min393412
12:00Fewer than 200 measured departures—167175
13:00Fewer than 200 measured departures—2223
14:0086.1%5.9 min409420
15:00Fewer than 200 measured departures—114124
16:00Fewer than 200 measured departures—100106
17:0072.6%24.1 min423449
18:00Fewer than 200 measured departures—3340
19:00Fewer than 200 measured departures—3434
20:00Fewer than 200 measured departures—1113
21:0073.3%17.3 min442490
22:00Fewer than 200 measured departures—8694
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 83.1% · 534 recorded · 497 measured · Source: the US BTS Tuesday · 85.8% · 535 recorded · 508 measured · Source: the US BTS Wednesday · 85.4% · 532 recorded · 521 measured · Source: the US BTS Thursday · 80.0% · 524 recorded · 505 measured · Source: the US BTS Friday · 84.1% · 532 recorded · 515 measured · Source: the US BTS Saturday · 79.7% · 488 recorded · 459 measured · Source: the US BTS Sunday · 82.0% · 530 recorded · 489 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 · 10.6 min · 534 recorded · 497 measured · Source: the US BTS Tuesday · 5.4 min · 535 recorded · 508 measured · Source: the US BTS Wednesday · 8.2 min · 532 recorded · 521 measured · Source: the US BTS Thursday · 16.1 min · 524 recorded · 505 measured · Source: the US BTS Friday · 10.4 min · 532 recorded · 515 measured · Source: the US BTS Saturday · 16.7 min · 488 recorded · 459 measured · Source: the US BTS Sunday · 13.7 min · 530 recorded · 489 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 · 534 · 534 recorded · 497 measured · Source: the US BTS Tuesday · 535 · 535 recorded · 508 measured · Source: the US BTS Wednesday · 532 · 532 recorded · 521 measured · Source: the US BTS Thursday · 524 · 524 recorded · 505 measured · Source: the US BTS Friday · 532 · 532 recorded · 515 measured · Source: the US BTS Saturday · 488 · 488 recorded · 459 measured · Source: the US BTS Sunday · 530 · 530 recorded · 489 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday83.1%10.6 min497534
Tuesday85.8%5.4 min508535
Wednesday85.4%8.2 min521532
Thursday80.0%16.1 min505524
Friday84.1%10.4 min515532
Saturday79.7%16.7 min459488
Sunday82.0%13.7 min489530

Month of year

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

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Jan · 87.4% · 348 recorded · 318 measured · Source: the US BTS Feb · 87.3% · 334 recorded · 314 measured · Source: the US BTS Mar · 86.4% · 352 recorded · 345 measured · Source: the US BTS Apr · 84.9% · 292 recorded · 284 measured · Source: the US BTS May · 87.2% · 294 recorded · 274 measured · Source: the US BTS Jun · 77.0% · 330 recorded · 321 measured · Source: the US BTS Jul · 78.2% · 368 recorded · 317 measured · Source: the US BTS Aug · Fewer than 200 measured departures · 186 recorded · 183 measured · Source: the US BTS Sep · 86.9% · 212 recorded · 206 measured · Source: the US BTS Oct · 80.8% · 306 recorded · 302 measured · Source: the US BTS Nov · 82.5% · 346 recorded · 332 measured · Source: the US BTS Dec · 78.2% · 307 recorded · 298 measured · Source: the US BTS

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Jan · 4.3 min · 348 recorded · 318 measured · Source: the US BTS Feb · 7.2 min · 334 recorded · 314 measured · Source: the US BTS Mar · 6.7 min · 352 recorded · 345 measured · Source: the US BTS Apr · 14.6 min · 292 recorded · 284 measured · Source: the US BTS May · 10.6 min · 294 recorded · 274 measured · Source: the US BTS Jun · 17.9 min · 330 recorded · 321 measured · Source: the US BTS Jul · 11.8 min · 368 recorded · 317 measured · Source: the US BTS Aug · Fewer than 200 measured departures · 186 recorded · 183 measured · Source: the US BTS Sep · 10.3 min · 212 recorded · 206 measured · Source: the US BTS Oct · 13.3 min · 306 recorded · 302 measured · Source: the US BTS Nov · 9.4 min · 346 recorded · 332 measured · Source: the US BTS Dec · 19.6 min · 307 recorded · 298 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
Jan · 348 · 348 recorded · 318 measured · Source: the US BTS Feb · 334 · 334 recorded · 314 measured · Source: the US BTS Mar · 352 · 352 recorded · 345 measured · Source: the US BTS Apr · 292 · 292 recorded · 284 measured · Source: the US BTS May · 294 · 294 recorded · 274 measured · Source: the US BTS Jun · 330 · 330 recorded · 321 measured · Source: the US BTS Jul · 368 · 368 recorded · 317 measured · Source: the US BTS Aug · 186 · 186 recorded · 183 measured · Source: the US BTS Sep · 212 · 212 recorded · 206 measured · Source: the US BTS Oct · 306 · 306 recorded · 302 measured · Source: the US BTS Nov · 346 · 346 recorded · 332 measured · Source: the US BTS Dec · 307 · 307 recorded · 298 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan87.4%4.3 min318348
Feb87.3%7.2 min314334
Mar86.4%6.7 min345352
Apr84.9%14.6 min284292
May87.2%10.6 min274294
Jun77.0%17.9 min321330
Jul78.2%11.8 min317368
AugFewer than 200 measured departures—183186
Sep86.9%10.3 min206212
Oct80.8%13.3 min302306
Nov82.5%9.4 min332346
Dec78.2%19.6 min298307

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 78.9% 2,898
  • Delayed >15 min 16.2% 596
  • Cancelled 4.9% 181
  • 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

38
38 of 38
Flight numbersBy direction DeparturesOn time
YX3630 EWR → STL 379 91.8%
YX3719 EWR → STL 359 89.2%
YX3573 STL → EWR 207 89.7%
YX3684 STL → EWR 198 84.4%
YX3610 EWR → STL 189 94.1%
YX3425 STL → EWR 167 92.0%
YX3468 EWR → STL 163 84.6%
YX3424 STL → EWR 140 71.5%
YX3518 STL → EWR 121 91.6%
UA1527 EWR → STL 71 66.2%
UA1623 STL → EWR 67 67.2%
YX3502 STL → EWR 62 83.1%
YX3564 STL → EWR 57 78.9%
YX3547 EWR → STL 53 80.0%
YX3621 STL → EWR 53 92.3%
YX3665 EWR → STL 51 72.3%
YX3511 EWR → STL 46 67.6%
UA1706 STL → EWR 45 57.8%
UA323 EWR → STL 37 83.8%
UA648 STL → EWR 37 90.9%
YX3489 STL → EWR 37 86.1%
YX3516 STL → EWR 37 88.2%
YX3538 EWR → STL 37 77.1%
YX3593 STL → EWR 37 74.3%
YX3548 STL → EWR 36 90.9%
YX3556 EWR → STL 36 84.9%
YX3635 STL → EWR 36 85.3%
YX3641 STL → EWR 36 58.3%
YX3477 STL → EWR 35 76.5%
YX3529 STL → EWR 35 88.6%
YX3699 EWR → STL 35 30.4%
UA1511 STL → EWR 34 73.5%
UA2104 STL → EWR 34 88.2%
UA2144 EWR → STL 31 83.9%
UA2625 EWR → STL 31 90.3%
YX3432 STL → EWR 31 96.7%
YX3674 STL → EWR 31 77.4%
YX3694 EWR → STL 31 74.2%

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 159 +0.6% 25 79.2%
June 2026 177 +22.9% 3 79.7%
May 2026 182 +97.8% 4 93.4%
April 2026 170 +49.1% 2 94.7%
March 2026 175 +2.9% 3 85.7%
February 2026 152 −6.2% 14 90.8%
January 2026 157 −2.5% 19 89.2%
December 2025 147 −2.6% 6 74.1%
November 2025 157 −10.3% 13 84.7%
October 2025 182 +51.7% 4 74.2%
September 2025 206 6 86.9%
August 2025 183 3 78.1%
July 2025 158 26 77.2%
June 2025 144 6 73.6%
May 2025 92 16 75.0%
April 2025 114 6 70.2%
March 2025 170 4 87.1%
February 2025 162 6 84.0%
January 2025 161 11 85.7%
December 2024 151 3 82.1%
November 2024 175 1 80.6%
October 2024 120 0 90.8%

How to read this chart

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